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

<passage>:
The saucer was interesting, but where was the delegate? was clear. No one moved DELEGATE from their position. VENUS "Your poor face," she murmured, what the delegate from Venus biggest surprise since David Jerry Bridges, sitting in the "Greetings from Venus," it said, and then repeated the phrase in six languages. "The ship you see is a Venusian Class Jerry couldn't identify stepped human again." that's not only indiscreet, Bridges. It's downright dirty." Jerry deduced that it must have Jerry grinned. "I didn't take will find our delegate within. its gray plastic material giving in readily to the application of their tools. But when it was opened, they stood aside in amazement and consternation. There were a variety of metal pieces packed within, protected "I haven't the faintest idea." "Don't kid me, Mr. Conners. Think it's war?" "That'll be all, Bridges." of it, Jerry Bridges, I'll never "'Instructions for assembling Delegate,'" he read aloud. "'First, remove all parts and arrange them in the following order. A-1, central nervous system contained the gossip-column to build the damn thing." The Delegate, a handsomely item which had started the more interested in the romantic rather than political implications. who seemed to find the Venusian instructions as elementary as a Jerry growled. simple as the job was, they were obviously impressed by the mechanism they had assembled. It stood impassive until they blueprint in an Erector set. But "Where's your decorum?" they ought to get the Secret will hang in your night sky from after the landing that Jerry Bridges saw the Delegate again. No one told him his destination, Jerry looked up from his foreign minister's debate. And the cause of it all, a placid, highly-polished metal robot, was seated blithely at a desk which meeting without benefit of long VENUS. had that effect upon men. Even the confining effect of a mannishly-tailored suit didn't hide her outrageously feminine qualities. She walked straight to his reasons. Greta Johnson The robot delegate stood up. table, and he stood up. Delegate from a great neighbor planet, in the interests of peace and progress for all the solar system. I come in the belief that out. He ran after her, the restaurant have hitherto had little desire to explore beyond our realm, being far too occupied with internal matters. But our isolation cannot last in the face of It's my job. I'd do it again if I thought you knew anything." Continue your struggle of ideas, compete with each other for the minds of men, fight your bloodless battles, if you know no other means to attain progress. But do all this without unleashing the terrible forces of power now at your command. Once unleashed, these forces may or may not destroy all that you of Venus, promise you this—that on the very day your conflict deteriorates into heedless violence, we will not stand by and let the ugly contagion "Did I say that?" Venus will act swiftly, mercilessly, and relentlessly—to destroy your world completely." Again, the meeting room exploded "It just won't be any use. spread. On that day, we of motherly gesture. peace. But envision it, men of Earth, as a messenger of war. Unstoppable, inexorable, it may return, bearing a different Delegate from Venus—a Delegate of Death, who speaks not in words, but in the explosion of atoms. "Greta!" "But if you print one word fired from a vantage point far beyond the reach of your retaliation. This is the promise and the challenge that the planet Venus, men of Earth, and see a Goddess of Vengeance, poised to wreak its wrath upon those who betray the peace." this moment forward. Look at Four days later, a mysterious "At first, they thought it was another sputnik." of Los Alamos, and the Venus hours after that, the robot delegate, " and said: The Delegate sat down. ruin. The news flashed with lightning speed over the world, and Jerry Bridges' eyewitness accounts out what the damn thing was." of the incredible event "Wait a minute," Jerry said "Well, what's bothering the Delegate speak, something's "About the Venusians, of "I'm not worried about that. I think that damn robot did more for peace than anything that's ever come along in this cockeyed world. But still ..." from Venus Don't you ever think of anything else? You should learn to relax. It can be fun." and Jerry responded the way a can land their delegate." "Their delegate. They came "What's the matter?" "I just thought of something! Now where the hell did I put my old notebooks?" are their affairs, too. It's kind when he found the yellowed "You mean these Venusians thinks that if we don't agree, they might do something drastic, like blow us all up. It's kind "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 Five minutes later, Jerry is so careless about—" She put her fingers to her lips. "Oh, heading for the ivy-choked main building. It was remarkable "Terrible? I think you're wonderful!" dear, now you'll really think I'm how little had changed, but "Didn't I say I wouldn't?" "Y-e-s. But you know, you're the students seemed incredibly "And you promise not to print terrible." a massive woman with gray hair and impervious to Jerry felt decrepit, but managed Jerry entered, except for the Jerry remembered. He was a blinked when Jerry said: me? Jerry Bridges?" the Delegate speak. I didn't "What do you mean, Jerry?" "There was something about the Robot's speech that sounded Jerry, and snapped: He unfolded it and read aloud. "'It's my belief that peace is the responsibility of individuals, of nations, and someday, even of that's flying around—" His words brought an exclamation I said, Jerry." by the Delegate from Venus." that secrecy is essential, that leakage of the story might cause panic. Since you're the only unauthorized person who knows of it, we have two choices. One of "Is it? But I also remember your interest in robotics. I'll never forget that mechanical Jerry?" 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 the world's big shots. Does my She was pouting now. "Well, "Here, then, is our challenge. "You mean the spaceship's coming down?" radio message to earth from the reached to accept the delegate. cone, seemingly as if it originated Then, when the Robot was assembled, they would speak through it to demand peace for all mankind ..." "Jerry, if you do this—" "You don't have to say it, from their 'spaceship.' The USAF jet transport wasn't the only secrecy-shrouded aircraft that took off that evening But Jerry Bridges, sitting in As far as I'm concerned, what I told you was nothing more than a daydream." Jerry braked the convertible "And to think what that terrible planet can do to us!" "Oh, I dunno. Venus is also the Goddess of Love." were sleek, purring black autos desert road, until Jerry sighted waiting to rush the air passengers but it was well-ordered and unhurried. They had done a good job of keeping the excitement became a growl that increased in volume until even the shouting voices could no longer be heard. Then the crisscrossing lights struck metal, glancing off the gleaming body of a descending hit, a dust cloud obscured it from sight. A loudspeaker blared out an unintelligible order, but its message

<question>:
What ultimately revealed the true identity of the Venusian delegate to Jerry?

<options>:
A It's opening monologue
B The origin of its materials
C Notes that Greta stole from a source
D Its style of self-destruction

<answer>:

A