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

<passage>:
Kal-Jmar—a city of untold wealth, and of Extensive research did not uncover any evidence that had another, and a more pressing one. It had been simple enough to pass himself off as an itinerant prospector and gain entrance to the city, after his ship had crashed in the Mare Cimmerium. But the rest would not be so simple. He had to acquire a spaceman's identity card, and he had to do it fast. It was only a matter of time until the Triplanet and concluded that he must have reached Lillis. After that, his only safety lay in shipping out on a freighter as soon as possible. He had to get off Mars, because his trail was warm, and the Patrol thorough. They knew, of course, that he was an outlaw—the very fact of the crashed, illegally-armed ship would have told them that. But they "All right," the boy said quietly. "What is it?" finally. "But maybe I've made a mistake." Then—"Okay, citizen, you can intersection, and then followed again more cautiously. It was risky, but there was no other way. The signatures, the data, imitated, and the only way to get it was to kill. deadly energy pistol in its holster and padded catlike toward the It was over in a minute. The boy whirled as he came up, warned by silent white pencil of flame, and the boy crumpled to the floor with a Gritting his teeth, he brought the magnificent muscles of his arm into play, raising the forearm against the dead weight of the dangling body. then it was the final blast-off. to get a leg over the edge and hoist his trembling body to safety. "Are you all right?" and I overbalanced myself when I grabbed for it." picked up a small black suitcase from the floor and started for the "Never mind," said Syme, taking his arm. "The shock must have busted it wide open. My laundry is probably all over Lillis by now." They got off at the amusement level, three tiers down, and found a it was—his ticket to freedom. He began feeling expansive, and even the he'd find a freighter berth—in as big a spaceport as Lillis, there were always jobs open. Meanwhile, he might as well enjoy himself, and it was safer to be seen with a companion than to be alone. He listened lazily to what the other was saying, leaning his tall, in its influence, propelling themselves by the motion of their of "Why?" he asked softly. "Why to Kal-Jmar?" Kal-Jmar was the riddle of the Solar System. It was the only remaining the present decadent Martian race, or a different species. No one knew anything about them or about Kal-Jmar. scientists had been wild to get into the city. They had observed it from every angle, taken photographs of its architecture and the robots that still patrolled its fantastically winding streets, and then they had tried everything they knew to pierce the wall. Later, however, when every unsuccessful attempt had precipitated a bloody uprising of the present-day Martians—resulting in a rapid in properties to the Kal-Jmar dome and what is more, he had found a force that would break it down. And so he had made his first trip to Mars, and within twenty-four hours, by the blindest of chances, blurted out his secret to Syme Rector, the scourge of the spaceways, the man with a thousand credits strap on your gun." "Why. Are they really dangerous?" "They're unpredictable," Syme told him. "They're built differently, and where there's air, but they also eat sand, and get their oxygen that way." deserts—all full of deadly poisons, from arsenic up the line to xopite. They seem intelligent enough—in their own way—but they never their language. Every word of it can mean any one of a dozen different but not much. Nobody can. We don't think the same." wilderness of fantastically eroded dunes and channels, laboring on sliding treads up the sides of steep hills only to slither down again on the other side. across their path. "Gully," he announced. "Shall we cross it, or follow he offered. "It seems to go more or less where we're going, and if we cross it we'll only come to a couple dozen more." revealed itself to be attached to a length of thick, very strong wire how do we get up again?" "Most of these gullies peter out gradually," said Syme, "but if we want or have to climb out where it's deep, we have a little harpoon gun that shoots the anchor up on top." "Good. I shouldn't like to stay down here for the rest of my natural life. Depressing view." He looked up at the narrow strip of head. Neither Syme nor Tate ever had a chance to test the efficiency of their harpoon gun. They had traveled no more than five hundred meters, and of the sand car was crushed beyond all recognition. said, "I guess we walk from here on." Then he looked up again and more properly, four legs and two arms. Their lungs were not as large a valve arrangement from the stomach and feeding directly into the or, conversely, the black could be expanded to cover the white, which The natives slowed down and spread out to surround the wrecked sand "What do you think they'll—" he began, and then stopped himself. "I along under the weak gravity. and more solid. Finally, when Syme estimated they were about nine " " "But how—?" is a fraud, a hodge-podge concocted to deceive you." "Yes." "No," the Martian interrupted him, "revealing the extent of our thought you were taking it from equals or not." "Never mind that," Syme broke in impatiently. "What do you want with us?" The Martian looked at him appraisingly. "You already suspect. Unfortunately, you must die." he could see no way out. He began to wonder, if he did, could he keep "Will you tell us why?" Tate asked. of justice. I will tell you and your—friend—anything you wish to know." the cavern. Some were munching the glowing fungus. That left only the very simple catalyzing agent which could within fifty years transform "I think I see," Tate said thoughtfully. "That's been the ultimate aim all along, but so far the problem has us licked. If we solved it, then one." "Neither of the alternatives in your mind is correct. They were not a itself felt. There were two ways out. Some chose to seal themselves into cities like Kal-Jmar our ancestors chose to adapt their bodies to the new conditions. Thus the race split. Their answer to the problem they remained static. Our answer was the true one, for "And yet," Tate mused, "you are being destroyed by contact with "Will our two races ever live together in amity?" The Martian lowered his head. "That is for unborn generations." He he knew himself what he meant to do, he hurled himself bodily into the Martian. It was like tangling with a draft horse. The Martian was astonishingly He put everything he had into one mighty, murderous effort. Every barely in time. The searing ray cut a swath over the leader's body and At last there were none with guns left to oppose him. He scythed down the rest in two terrible, lightning sweeps of his ray, then dropped the weapon from blistered fingers. burned, bleeding leg, but he kept on until the quick-drying fluid formed an airtight patch. to save my own life. I—I halfway hoped they'd kill both of us." that shattered all his previous concepts of the verities in life, and didn't know what to do about it. might have drawn them out of the gully, was hopelessly smashed. That was that.

<question>:
Of the following options, what best summarizes this story?

<options>:
A A criminal tricks a scientist into giving him resources and aid on a beautiful adventure.
B A criminal forces a scientist to go on an adventure.
C A criminal teams up with a scientist to explore a dangerous area.
D A criminal and a scientist wind up on a fun adventure together.

<answer>:

C