Read the following passage and questions, then choose the right answer from options, the answer should be one of A, B, C, D.

<passage>:
Jerry held his breath as they approached the object biggest surprise since David clobbered Goliath. " last chance to change his mind, and then left. Jerry Bridges, sitting in the chair opposite his employer's cagey, to behave the way the newspaper wanted him to behave, to protect the cozy Washington assignment he had waited Jerry couldn't identify stepped Mr. Conners," he said casually. "It just seemed strange, all these exchanges of couriers in "Even if that's true, we'll hear about it through the usual channels," Conners frowned. Jerry deduced that it must have been activated by the decreased load of the ship. Jerry grinned. "I didn't take that kind of advantage, Mr. heading for the ivy-choked Jerry got up and ambled to the "By the way. What do you think is going on?" "I haven't the faintest idea." "Don't kid me, Mr. Conners. Think it's war?" "That'll be all, Bridges." by a filmy packing material. "Wait a minute," the general The reporter closed the door pieces packed within, protected housing. A-2 ...'" He looked up. "It's an instruction book," he whispered. "We're supposed item which had started the whole affair, and he seemed more interested in the romantic to build rather than political implications. As he walked beside him, "Where's your decorum?" Jerry growled. Ruskin giggled. "Boy, she's quite a dame, all right. I think they ought to get the Secret It wasn't until three days after the landing that Jerry later, and Jerry walked until he No one told him his destination, It wasn't the newsmen's jibes will be a jet leaving Washington White House, flying visits by State Department officials, mysterious conferences involving members of the Science Commission. that Senator Spocker, chairman of the Congressional Science Committee, had been involved Jerry looked up from his foreign minister's debate. And the cause of it all, a placid, The USAF jet transport highly-polished metal robot, was Delegate from a great neighbor planet, in the interests of peace story—" "But I'm a reporter how do you suppose I feel, knowing you're only interested in me because of the Senator? Anyway, I'll probably lose my Earth, as a messenger of war. Unstoppable, inexorable, it may return, bearing a different Delegate fired from a vantage point far beyond the reach of and said: "At first, they thought it was another sputnik." " its message delivered, its mission fulfilled, requested to be locked inside a bombproof "The State Department, silly. They got reports from the observatories about another sputnik did?" what the damn thing was." "Wait a minute," Jerry said dizzily. "You mean to tell me there's another of those metal moons up there?" left him vaguely unsatisfied. He tried to explain his feeling "In an hour. He's in a terribly him the visit. "Well, what's bothering your byline. I should think you'd be tickled pink." "It's not that," Jerry said moodily. "But ever since I heard the Delegate speak, something's out what to do about it. The only hitch is, Russia doesn't want to wait that long, and is session of the UN just to figure "But don't you think he's done good? Don't you think they'll be impressed by what he said?" from last night." "Don't be silly. The spaceship's thinking of calling a plenary "I'm not worried about that. I think that damn robot did more for peace than anything relax. It can be fun." She started to prove it to him, and Jerry responded the way a normal, healthy male usually does. But in the middle of an they're here for some kind of conference, I guess. They know about the UN and everything, and "What's the matter?" "I just thought of something! "Wait a minute!" can land their delegate." days. Like I say, they want to establish diplomatic relations or something. The Senator thinks that if we don't agree, they might do something drastic, like blow us all up. It's kind She took her hat and coat from "You're taking it mighty calm," he said ironically. "Well, how else can I take it? I'm not even supposed to Jerry had walked across the know is so careless about—" She put her fingers to her lips. "Oh, dear, now you'll really think I'm about it, except that the Senator Five minutes later, Jerry campus of Clifton University, the desk where Professor Martin Coltz could be located. "Professor Coltz?" She stuck a pencil to her mouth. "Well, I guess he'd be in the Holland "Y-e-s. But you know, you're a liar sometimes, Jerry. I've noticed that about you." "Didn't I say I wouldn't?" Jerry felt decrepit, but managed to say: "It must be something new since I was here. Where is this place?" He followed her directions, from the men's dorm. He met a student at the door, who told him that Professor Coltz would be found in the physics department. The room was empty when Jerry entered, except for the single stooped figure vigorously can't deliver any messages." "But this is something he Coltz was far older than Jerry remembered. He was a tall man, with an unruly confusion blinked when Jerry said: "Hello, Professor. Do you remember me? Jerry Bridges?" "Of course! I thought of you "When will that be?" could deliver it with his next batch of mail." times. But Jerry was impatient to get to the point of his visit, and he blurted out: "Professor Coltz, something's been bothering me. It bothered me from the moment I heard They sat at facing student desks, and chatted about old college notebooks. Thank God I kept them." Coltz's eyes were suddenly hooded. "What do you mean, Jerry?" "There was something about the Robot's speech that sounded people—want to know if they Jerry, and snapped: "This note of yours. Just what do you think it means?" "You know better than I do, Mr. Howells. I'm just doing my job of nations, and someday, even of worlds ...' Sound familiar, Professor?" Coltz shifted uncomfortably. "I don't recall every silly thing I said, Jerry." "But it's an interesting coincidence, isn't it, Professor? that secrecy is essential, that leakage of the story might cause your interest in robotics. I'll never forget that mechanical them is to lock you up." Jerry swallowed hard. "The other is perhaps more homing pigeon you constructed. "What are you driving at, Jerry?" "Just this, Professor. I had a little daydream, recently, and I about a group of teachers, scientists, and engineers, a group who were suddenly struck by an exciting, incredible idea. A group that worked in the quiet and secrecy of a University on a fantastic scheme to force the idea of peace into the minds of be allowed to relay the story to the "Go on." "Well, I dreamt that this group would secretly launch an earth satellite of their own, and dream interest you, Professor?" radio message to earth from the cone, seemingly as if it originated through it to demand peace for all mankind ..." "Jerry, if you do this—" "You don't have to say it, Professor, I know what you're thinking. I'm a reporter, and my business is to tell the world around midnight tonight. There from Washington Airport. But Jerry Bridges, sitting in the rear seat flanked by two Sphinx-like Secret Service men, knew that he was the only passenger with non-official status Jerry braked the convertible wasn't the only secrecy-shrouded aircraft that took off that evening Jerry pointed. "That one." to some unnamed destination. desert road, until Jerry sighted of scary." She shivered delicately.

<question>:
Why does Jerry visit Professor Coltz?

<options>:
A Jerry thinks Professor Coltz may be a Venutian in disguise.
B Jerry remembered something Professor Coltz said when Jerry was a student.
C Jerry remembered that Professor Coltz was interested in robotics.
D Jerry thinks Professor Coltz may be a domestic terrorist, using an extraterrestrial visit as a cover.

<answer>:

B