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

<passage>:
Pop heard of the quaint commercial learned of it the same way. Pop didn't even think of it again. It seemed to have nothing to do with him. But Sattell undoubtedly dealt with it fully in his desperate writings back to Earth. Pop matter-of-factly tended the secret, but only partly. His name was Sattell and he had reason not to talk. Pop Young alone knew the whole truth, and he kept his mouth shut, too. It wasn't anybody else's Pop received the stores and Pop didn't even ask. Pop continued to search absorbedly for material with which to capture memory. Sattell still seemed necessary, and in his spare time he worked industriously at recovering some missing portions of his life that Sattell He thought often of Sattell, down happily tell himself that it feels delicious. Sometimes it does. But Sattell couldn't comfort himself so easily. He knew about Pop, up on the surface. He'd shipped out, mental images of his children. guidance. Sattell got the shakes when he thought of Pop, and Pop rather probably knew it. Of course, by the it with what—say—Sattell might Sattell. The facts spoke for themselves. Pop had come back to consciousness in a hospital with a great about Pop Young's shack in cannisters of his married life. name showed the uselessness of bluff. what had happened to his wife and children. They'd been murdered he set about trying to pick up the threads of the life he could no longer remember. He met Sattell quite by accident. Sattell looked familiar. Pop eagerly tried to ask him questions. And Sattell turned gray and frantically denied that he'd ever seen Pop before. Pop's middle. "Don't come in!" he said mockingly. to Pop that the sight of Sattell had brought back some vague and cloudy memories. They were not sharp, though, and he hunted up Sattell "And I don't give a damn All of which happened back on he returned. Nowadays, by the Big Crack, Pop wasn't so insistent on seeing Sattell, but he was deeply concerned with And Sattell went into panic when Sattell helped bring back. Pop was a highly conscientious man. He took good care of his job. There was a "This," snapped the red-headed Pop gazed at the plastic, fascinated. The red-headed man leaned forward, snarling. He slashed Pop across the face with the barrel of his weapon. It drew blood. It was wanton, Bring them here! Understand?" Pop said numbly: "What the hell?" The red-headed man hit him man with the weapon raged at him. "Then phone down to the mine! Tell Sattell I'm here and he can come on up! Tell him to bring any more diamonds they've dug up since to the ground. At such times Pop hardly thought of Sattell. He knew he had plenty He headed back toward his shack. Sattell knowing what had happened to his wife and children, but it was hearsay only. He had no memory of them at all. But Sattell stirred the lost memories. At first Pop followed He twitched all over. Then he wiped out by an axe-blow. He did recover a good deal. When Sattell fled to another continent, Pop followed struck cruelly again at Pop Young's to recover the years that had been because he had some distinct of course, Pop was helpless to resent it. There were no weapons on the Moon and the mention of Sattell's When Sattell frenziedly tried to deny knowledge of the murder in Tangier, Pop had come to remember both his Even when Sattell—whimpering—signed children and some of the happiness him. By that time he was quite sure that Sattell was the man who'd killed his family. If so, Sattell had profited by less than two days' pay for wiping out everything that Pop possessed. But Pop wanted it back. He couldn't prove Sattell's guilt. There was no evidence. In any case, he didn't really want Sattell to die. If he did, there'd be no way to recover more lost memories. Somehow, the mention of Sattell had Sometimes, in the shack on the far odd fancies about Sattell. There was side of the Moon, Pop Young had detail. He knew Sattell. That part was simple. Sattell had planned this multi-million-dollar coup, as a man in prison might plan his break. The made his mind work better. It always the mine, for example. In each two did. He began painstakingly to it was stolen for the journey here. Sattell's associates had had to steal or somehow get the fuel, and if he shook it, and it was worth no more than so many pebbles. But sometimes Pop wondered if Sattell ever thought of the value of the mine's production. If he would kill Sattell to come up, with what diamonds and Pop and the colony together. "I'd guess," said Pop painstakingly, "that Sattell figured it out. He's probably got some sort of gun to Earth and a long time ago. It seemed grinned savagely at Pop. He held a "No," said Pop, "they'll do it anyhow. If we were able to tell about to scream. But not Pop. He'd come to the Moon in the first place because Sattell was here. Near Sattell, he found 'em, they'd be chased. But if I'm tell Sattell a thing about it, if I were you. It'll save trouble. Just let him keep on waiting for this to happen. emptiness and grew sharp and clear. dearly. And when he was near Sattell "Me?" asked Pop. "Oh, I'm going to raise what hell I can. There's He found that he loved them very did—and the fact possessed a certain grisly humor—Pop didn't even hate Sattell. He simply wanted to be near him because it enabled him to recover again to find out if he was right. Pop regarded his drawings meditatively. satisfaction. "That'll do it!" Pop simply gaped. He couldn't quite take it in. man abruptly, "is a stickup!" Pop's eyes went through the inner Sattell, he suddenly recovered a completely new memory. On their first Pop reflected hungrily that it was suit and the cannister he carried, Pop clearly when he thought of Sattell, so by keeping Sattell in mind he recovered whether Sattell ever thought of millions shook and trembled. Pop said calmly: hoist, if Sattell's coming up from the mine. If I don't do it, he don't "Yeah," said Pop. Sattell had no such device for adjusting much worse. Sattell clearly remembered the crime Pop Young hadn't yet recalled. He considered that Pop had made no overt attempt to revenge himself because he planned some retaliation so horrible and lingering that it was worth waiting for. He came to hate Pop with an insane ferocity. And fear. In his mind the need to escape became an obsession But he was helpless. He couldn't leave. There was Pop. He couldn't kill Pop. He had no chance—and he was afraid. The one absurd, irrelevant thing he could do was write own affairs with fascinated attention. But then an event occurred which bore directly upon Pop Young and Sattell and Pop Young's missing years. Somebody back on Earth promoted It didn't seem to have anything to do with Pop or with Sattell. But it did. expected to be pleasantly thrilled section of the plastic. When it was carved, he'd paint it. While he worked, he'd think of Sattell, because parts Sattell had managed to get Sattell had committed. He felt, somehow, that he wouldn't get that back until he'd recovered all the rest.

<question>:
How does Pop feel about Sattell?

<options>:
A Pop thinks Sattell murdered his family, but he wants Sattell to live. Being near Sattell sparks lost memories.
B Pop thinks Sattell murdered his family. Pop wants to torture Sattell.
C Pop thinks Sattell murdered his family Now Sattell is going to destroy Lunar City, and steal the diamonds.
D Sattell murdered Pop's family, Pop wants Sattell dead.

<answer>:

A