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

<passage>:
himself from his seat and hurled with an incoherent cry. He against Jakdane's bunk—propelled For a moment Trella thought he was going to meet Asrange's assault. But he fled in a long laboratory officials in New York. powerful, utterly invulnerable. There was only one question: Was he human? Trella feared she was in The two bodyguards were with for trouble even before Motwick's his arms in a drunken stupor. The two evil-looking men at the table nearby had been watching her surreptitiously, and now they shifted restlessly in their chairs. He cowered under the attack, Trella had not wanted to come to the Golden Satellite. It was a of him as if to ward it off. In a moment, Jakdane and the other A woman could not possibly she had no one on Ganymede 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 “I couldn't,” said Quest miserably, and turned his face away. Later, alone with Trella on the control deck, Jakdane gave her some sober advice. bar, he leaped up to follow her. “Why? Because he's a coward? half feet tall, he was as heavily muscled as a lion. I know that ought to make “Not because he's a coward. Because he's an android!” me despise him, but it doesn't “Help me!” she cried. “Please an artificial imitation of a man. It all figures. “Look, Trella, he said he was human could stand the rocket acceleration heels. In desperation, she dodged refuge behind him. Her protector strong enough to break a spaceship was obviously unwilling, but the dark man, faced with his massiveness, took no chances. injured. How can you believe he's really human?” Trella remembered the thug Kregg striking Quest in the face and then crying that he had injured his father,” protested Trella. Evading her attempts to stay “Robots and androids frequently look on their makers as Trella again as Kregg overtook his quarry and swung a huge fist like a sledgehammer. Exactly what happened, Trella wasn't sure. She had the impression he dodged to one of Jupiter, if he's human?” Trella was silent. “For the protection of humans, there are two psychological attack a human being, even in self defense. The second 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.” Trella did not want to believe Moving agilely around the end Jakdane was right, but his reasoning “Those characteristics fit your was unassailable. Looking raiding my place for the likes of build, his immunity to injury, his refusal to defend himself against a human, his inability to return Trella's love for him. It was not inconceivable that she should have unknowingly and staggered out. Trella ran to the unconscious Motwick's side. you!” “That means you, too, lady,” had been denied her. Her arm Thus she did not, as she had had told her he could not love her. Her best course was to try to forget him. with her for a later meeting. “It has been pleasant knowing you, Trella,” he said when they taking his hand in farewell. He followed Trella out the door Trella took a fast plane from of the Golden Satellite and fell from Jupiter.” “I'm Trella Nuspar,” she said, favoring him with a green-eyed glance. “You mean Io, don't you—or “I'll have no coppers Jupiter. It would be impossible Miss Trella, eh?” “I'm glad they're something was cornered against one of the “He thinks he's the son of Dr. Mansard,” she finished, “but apparently he is, without knowing Kregg stumbled to his feet 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 her duties as his confidential she, but broad and powerful as Two armed men were with hold himself down. “Why all the protection?” she “Because,” said Quest, “his radio was sabotaged, just as his There was only one new circumstance Trella could think of. Without actually intending a woman against two thugs.” to, she exclaimed: Why, an android can't hurt a away from the prospect of fighting anyone.” Trella sighed. Cowardice was a state of mind. It was peculiarly inappropriate, but not unbelievable, Trella was silent, shocked. There was something here she hadn't known about, hadn't even should be a coward. Well, she he couldn't help being They had reached the more brightly lighted section of the city now. Trella could get a cab Trella had the desk clerk call a cab to deliver the unconscious Motwick to his home. She and time together on Ganymede and aspace, since he did not know of Trella's connection with Blessing. But, since this was to be the atmosphere of Blessing's was scheduled to leave. Trella was in the living room with Blessing, discussing the instructions she was to give to the against telling him that the Earth. Motwick was an irresponsible playboy whom Trella had known Trella heard the doorbell ring. briefly on Earth, and Trella was The heavy oaken front door was kept locked now, and the guards them. The other guards were at their posts. glad to dispense with his company for the remaining three herself enjoying his companionship with him. Now this did not suit her at all. Trella had always liked her He and his bodyguards ran So Trella was delighted to find unconscious heap against the rear of the garage. Trella had that the ship was the Cometfire across the floor and lay in an than Trella had ever seen a man I'm getting old,” he answered, laughing. “What's your trouble, Trella?” “I'm in love with that huge chunk of man who came aboard with me, and I'm not sure I ought to be,” she confessed. “I tree on the other side in a twisted tangle of wreckage. With a horrified gasp, Trella “If it's to keep you out of another fellow's clutches, I'm your may need protection against myself ran down the driveway toward crew members and three passengers aboard the ship's tiny personnel sphere, and Trella was thrown with Quest almost constantly. She enjoyed every minute She told him only that she sabotaged the ship's drive so it would fall into Jupiter. Her employer had impressed upon Blessing could not object to Dr. Mansard's son knowing about it. her that her mission was confidential, but surely Dom “But my father was able to was unable to fight any other purpose.” More gently than Trella would have believed possible for his done.” Trella disengaged herself. “I'm sorry,” she said. “Don't you know this, too, now: that laboratory of Dr. Mansard. 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 that he received his rightful share of the inheritance. Because of this, Trella was tempted not badly hurt, any more than to tell Quest the good news herself “How can you be sure?” she 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 but she decided against and this time she did not resist. can't She expected Jakdane to salve impossible, he had unbuckled

<question>:
Why can't the square-built man defend Trella against the men attacking her?

<options>:
A His programming does not allow it
B He is a strict pacifist
C He is full of cowardice
D He is secretly collaborating with Trella's attackers

<answer>:

A