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

<passage>:
without note. Circus "Just suppose," said Morgan, "that I table. "Where would we go from here?" do we go? I don't know. I've tried to think it out, and I get nowhere. But you've got "I'll tell you where it's going to end," said Morgan. "It's going to end in a hospital. A mental hospital. They'll lock you up and they'll lose the key somewhere." He poured himself another cup of coffee and sipped it, scalding hot. "And that," he added, "will be that." The place was dark and almost empty. Overhead, a rotary say your name is Parks—right?" The man nodded. "Jefferson Haldeman Parks, if that helps Parks nodded. "Fine. Now go through the whole story again. What happened first?" The man thought for a minute. "As I said, first there was a fall. About twenty feet. I didn't break any bones, but I was shaken up and limping. The fall was near the highway going to the George Washington Bridge. I got over to the highway and tried to flag down a ride." "How did you feel? I mean, was there anything strange that " Parks' eyes widened. "I—I was speechless. At first I hadn't noticed too much—I was concerned with the fall, and whether I was hurt or not. I didn't really think about much else until I hobbled up to that highway and saw those cars coming. Then I could hardly believe my eyes. I thought I was "Oh, yes. I don't see how I could have, but I did. We talked all the way into New York—nothing very important, but we understood each other. His speech had an odd sound, but—" Morgan nodded. "I know, I noticed. What did you do when you got to New York?" "Well, obviously, I needed money. I had gold coin. There had been no way of knowing if it would be useful, but I'd taken it on chance. I tried to use it at a newsstand first, and the man wouldn't touch it. Asked me if I thought I was the U.S. Treasury or something. When he saw that I was serious, he Parks dropped two small gold discs on the table. They were perfectly smooth and perfectly round, tapered by wear to a thin blunt edge. There was no design on them, and no printing. Parks shrugged. "Too little, I suspect. Two dollars for the small one, five for the larger." "You should have gone to a bank." Parks poured some more coffee. His face was very pale, a good bet. I asked a policeman where it was, and then I went there." "But you didn't get to see him." "They didn't believe you," said Morgan. "Not for a minute. They laughed in my face." when they asked me where I lived, they thought I was—what did they call it?—a wise guy! Told me to get out and not come back with any more wild stories." "I see," said Morgan. Jefferson Parks finished his last bite of pie and pushed the plate away. "By then I didn't know quite what to do. I'd been prepared for almost anything excepting this. It was frightening. I tried to rationalize it, and then I quit trying. It wasn't that I attracted attention, or anything like that, quite the contrary. I could show them, and say, see, this proves that I'm telling the truth, look at it—" He looked up helplessly. "And what did you find?" "Nothing. Oh, little things, insignificant little things. Your calendars, for instance. Naturally, I couldn't understand your we The man gave a short laugh. "And your house dogs! We have little animals that look more like rabbits than poodles. But there was nothing any more significant than that. Absolutely nothing." Parks shrugged tiredly. "Not really. He examined me. He practically took me apart. I carefully refrained from saying anything about who I was or where I came from just said I wanted a complete physical examination, and let him go on the back and said, 'Parks, you've got nothing to worry about. You're as fine, strapping a specimen of a healthy human being as I've ever seen.' And that was that." Parks laughed bitterly. "I guess I was supposed to be happy with the verdict, and instead I was ready to knock him down. It was idiotic, it defied reason, it was infuriating." "That's right. I'm not a human being at all." "How did you happen to pick this planet, or this sun?" others to choose from." Parks unbuttoned his collar and rubbed his stubbled chin unhappily. "I didn't make the choice. Neither did anyone else. Travel by warp is a little different from travel by the rocket you fiction writers make so much of. With a rocket vehicle you pick your destination, make your calculations, and off you go. The warp is blind flying, strictly blind. We send an unmanned scanner ahead. It probes around more or less hit-or-miss until and send through a manned scout." He grinned sourly. "Like me. If it looks good to the scout, he signals back, and they leave the warp anchored for a sort of permanent gateway until we can get a transport beam built. But we can't control the He shook his head wearily. "We're new at it, Morgan. We've only tried a few dozen runs. We're not too far ahead of you in technology. We've been using rocket vehicles just like yours for over a century. That's fine for a solar system, but it's not much good for the stars. When the warp principle was discovered, it looked like the answer. But something went wrong, the scanner picked up this planet, and I was coming through, and then something blew. Next thing I knew I was falling. When I tried to make contact again, the scanner was gone!" "And you found things here the same as back home," said Morgan. "The same! Your planet and mine are practically twins. Can't you see the importance of it? This planet is on the other side of the universe from mine, with the first intelligent they won't believe me !" " But it's true. " expect me to do about it? Why pick me There was a desperate light in Parks' eyes. "I was tired, tired with another intelligent race! Combine our knowledges, our technologies, and we could explore the galaxy!" He leaned forward, his thin face intense. "I need money and won't listen to me, they won't appropriate any money." "Of course they won't. They've got a war or two on their hands, they have public welfare, and atomic bombs, and rockets to the moon to sink their money into." Morgan stared at the man. "But what can I do?" "And how many believed you?" "None." "You mean nobody would believe you?" " Not one soul. Until I talked to you." And then Morgan was laughing, laughing bitterly, tears rolling down his cheeks. "And I'm the one man who couldn't help you if my life depended on it," he gasped. "You believe me?" Morgan nodded sadly. "I believe you. Yes. I think your warp brought you through to a parallel universe of your own planet, not to another star, but I think you're telling the truth." "Then you "Why not?" "Because I'd be worse than no help at all." Jefferson Parks gripped the table, his knuckles white. "Why?" he cried hoarsely. "If you believe me, why can't you help me?" Parks picked up the magazine, glanced at the bright cover. "Go ahead, look at it." The stranger from the stars leafed through the magazine, stopped at a page that carried Roger Morgan's name. His eyes caught the first paragraph and he turned white. He set the magazine down with a trembling hand. "I see," he said, and the life was gone out of his voice. He spread the pages viciously, read the lines again. The paragraph said: "Where do we go from here?"

<question>:
Why is Parks stuck on Earth?

<options>:
A He is outlawed on his own planet
B He must to finish his mission before his is allowed to leave
C The warp beacon blew up
D His rocket ship blew up

<answer>:

C