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

<passage>:
against Jakdane's bunk—propelled himself like a projectile at Quest. he was going to meet Asrange's There was only one question: Was he human? Trella feared she was in they shifted restlessly in their chairs. Trella had not wanted to come holding his hands in front of him as if to ward it off. In a moment, Jakdane and the other crewman had reached Asrange and pulled him off. When they had Asrange in irons, Jakdane turned to Quest, who was now sitting unhappily Jakdane insisted on examining her around the waist with a steely arm. Trella swung with her whole body, and slapped him so hard he nearly fell from his chair. As demanded Jakdane. “You could have, easily.” and turned his face away. Later, alone with Trella on the control deck, Jakdane gave her some sober advice. “I couldn't,” said Quest miserably, “Why? Because he's a coward? “Not because he's a coward. Because he's an android!” “What? Jakdane, you can't be It all figures. “Look, Trella, he said he was born on Jupiter. A human could stand the gravity of Jupiter, inside necessary to break free of Jupiter? Here's a man strong enough to break a spaceship safety belt just by getting his father,” protested Trella. “Robots and androids frequently look on their makers as their parents,” said Jakdane. “Quest may not even know he's 57 his quarry and swung a huge fist like a sledgehammer. Exactly what happened, Trella Quest made his rocket flight to of Jupiter, if he's human?” Trella was silent. “For the protection of humans, there are two psychological and Kregg sank stunned to his knees. The dark man, who had grabbed Trella's arm, released her and ran for the door. man Quest to a T, Trella. There is no other explanation for him: he must be an android.” Moving agilely around the end Jakdane was right, but his reasoning “Those characteristics fit your Trella did not want to believe was unassailable. Looking you!” Kregg stumbled to his feet his refusal to defend himself against a human, his inability to return Trella's love for him. It was not inconceivable that and staggered out. Trella ran to the unconscious Motwick's side. “That means you, too, lady,” she should have unknowingly had not told Quest of her mission to Ganymede. He thought he was Dr. Mansard's son, but would leave it to Dom Blessing to decide what to do about Quest. Quest about seeing him again after she had completed her assignment. Even if Jakdane was wrong and Quest was human—as now seemed unlikely—Quest with her for a later meeting. “It has been pleasant knowing you, Trella,” he said when they left the G-boat at White Sands. A faraway look came into his we can't help,” she said gently, taking his hand in farewell. Trella took a fast plane from White Sands, and twenty-four He followed Trella out the door of the Golden Satellite and fell in step beside her. Immediately hours later walked up the front though he lifted a feather pillow. vari-colored disc of Jupiter itself, riding high in the sky. “I'm Quest Mansard, Miss,” said her companion. “I'm just in from Jupiter.” “I'm Trella Nuspar,” she said, favoring him with a green-eyed glance. “You mean Io, don't you—or Jupiter. It would be impossible “My parents landed on Jupiter, I should tell you about.” She told him about Quest. “He thinks he's the son of Dr. he is, without knowing it, an android Dr. Mansard built on Jupiter.” “He came back to Earth with “It was drawn into Jupiter, but he landed it successfully,” said Quest. “He and my mother ship was drawn into Jupiter and he's an android and claim ownership as Dr. Mansard's heir.” Trella planned to spend a few days resting in her employer's spacious home, and then to take a short vacation before resuming lived on Jupiter until the oxygen landing on Jupiter, why didn't again?” she demanded. “Because,” said Quest, “his radio was sabotaged, just as his ship's drive was.” Trella could think of. Without actually intending from here, but the Stellar Hotel wasn't far. They walked on. Trella had the desk clerk call a cab to deliver the unconscious Motwick to his home. She and admiring her honey-colored hair and comely face. “I'm heading for Earth on the next spaceship.” “We'll be traveling companions, then,” she said. “I'm going back on that ship, too.” Quest came the day before she was scheduled to leave. Trella was in the living room with Blessing, discussing the instructions she was to give to the to assign her to take the Earth. Motwick was an irresponsible playboy whom Trella had known briefly on Earth, and Trella was glad to dispense with his company for the remaining three weeks before the spaceship blasted off. She found herself enjoying the steadier companionship He and his bodyguards ran about feeling drawn to a man who was a coward. The ship that they boarded on Moon Nine was one of the newer ships that could attain a hundred-mile-per-second Earth, but it would still require fifty-four days to make the trip. So Trella was delighted to find that the ship was the Cometfire and its skipper was her old friend, dark-eyed, curly-haired Jakdane Gille. “Jakdane,” she said, flirting Quest was after it, like a chunky deer, running faster than Trella had ever seen a man laughing. “What's your trouble, Trella?” “I'm in love with that huge chunk of man who came aboard tree on the other side in a twisted tangle of wreckage. With a horrified gasp, Trella ran down the driveway toward the smoking heap of metal. till we get to Earth.” “If it's to keep you out of another fellow's clutches, I'm your “But why, Quest? I knew he inner planets. There were four crew members and three passengers aboard the ship's tiny personnel sphere, and Trella was thrown with Quest almost constantly. She enjoyed every minute back to Earth. She was tempted rights to the surgiscope, and he sabotaged the ship's drive so it would fall into Jupiter. “But my father was able to control it in the heavy atmosphere of Jupiter, and landed it to tell him what the papers were. to Earth and track down Blessing. More gently than Trella would have believed possible for his Jupiter-strong muscles, Quest done.” Trella disengaged herself. “I'm sorry,” she said. “Don't you know this, too, now: that “Why, Quest, it's obvious,” up on Jupiter, and he operated When it was found at last, he sent Trella, his most trusted secretary, to Ganymede to bring back to him the notebooks found Trella looked at him. He was not badly hurt, any more than of this, Trella was tempted to tell Quest the good news do this his own way, and he might not appreciate her meddling. At midtrip, Trella made a rueful confession to Jakdane. “It seems I was taking unnecessary She expected Jakdane to salve crewmen on that particular waking shift (including Jakdane) were eating lunch on the center-deck. Quest picked up his bulb

<question>:
Why is Jakdane going to Earth?

<options>:
A Jakdane is a corporate spy from Moon 5 on a mission to infiltrate Dom Blessing's organization.
B Jakdane is following Trella to Earth because he is stalking her.
C Jakdane is transferring from his company's office on Ganymede to the corporate headquarters on Earth.
D Jakdane is the captain of the ship that Trella and Quest are taking to earth.

<answer>:

D