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

<passage>:
immeasurably powerful, utterly invulnerable. There was only one him like an avenging angel and, holding onto the bunk with one hand, rained savage blows on his head and shoulders with the There were only two other people in the Golden Satellite: the fat, mustached bartender and a short, square-built man at the bar. The latter swung necessary to break free of Jupiter? Here's a man strong enough to break a spaceship safety belt just by getting refuge behind him. Her protector was obviously unwilling, but the dark man, faced with his and then crying that he had injured his hand on the bar. “But he said Dr. Mansard was his father,” protested Trella. “Robots and androids frequently look on their makers as Mansard died?” “The oxygen equipment failed, of Jupiter, if he's human?” Trella was silent. “For the protection of humans, At this juncture, the bartender and it had been developed by many things were explained: his great strength, his short, broad build, his immunity to injury, his refusal to defend himself against a human, his inability to return Trella's love for him. “That means you, too, lady,” she should have unknowingly fallen in love with an android. Humans could love androids, with real affection, even knowing that they were artificial. said the bartender beside her. “You and your boy friend get had not told Quest of her mission to Ganymede. He thought he was Dr. Mansard's son, but an android had no legal right of inheritance from his owner. She would leave it to Dom Blessing often believe that.” to decide what to do about Quest. Thus she did not, as she had She looked contemptuously at the massive muscles whose help had been denied her. Her arm wrong and Quest was human—as now seemed unlikely—Quest had told her he could not love her. Her best course was to try to forget him. her was not unhandsome, and the blue eyes were disconcertingly direct, but she despised The gravity of Ganymede was hardly more than that of Earth's moon, but the way the man He knew I'd have to grow steps of the familiar brownstone house on the outskirts of Washington. Dom Blessing himself met her at the door, a stooped, graying 58 up on Jupiter, and he operated she was grateful for his presence. on the genes before I was born. 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 glad they're something you can use, Mr. Blessing,” she said. “There's something else I I should tell you about.” She told him about Quest. “He thinks he's the son of Dr. Mansard,” she finished, “but apparently he is, without knowing it, an android Dr. Mansard built on Jupiter.” Dr. Eriklund Mansard?” “I certainly have,” she said, her interest taking a sudden “He came back to Earth with step, seeming to deliberately he's an android and claim ownership as Dr. Mansard's heir.” Trella planned to spend a few days resting in her employer's her duties as his confidential Two armed men were with Dom Blessing at breakfast and accompanied him wherever he went. She discovered that two hold himself down. “If Dr. Mansard succeeded in landing on Jupiter, why didn't anyone ever hear from him “Why all the protection?” she asked Blessing. “A wealthy man must be careful,” said Blessing cheerfully. “When we don't understand all the implications of new circumstances, “Jupiter strength,” she murmured, looking him over coolly. Why, an android can't hurt a human!” Blessing peered at her over his spectacles. “And what if he isn't an android, eh? And if he is—what if old Mansard didn't build in the prohibition against harming humans that's required by law? There was something here she hadn't known about, hadn't even suspected. For some reason, Dom Blessing feared Dr. Eriklund Mansard … or his heir … or his mechanical servant. She was sure that Blessing was wrong, that Quest, whether thought with a rush of sympathy, he couldn't help being a cab to deliver the unconscious Motwick to his home. She and such bitterness during their long 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 house, she was glad that he decided to assign her to take the Mansard papers to the New “We'll be traveling companions, York laboratory. Quest came the day before she For some reason she decided against telling him that the playboy whom Trella had known briefly on Earth, and Trella was glad to dispense with his company weeks before the spaceship blasted off. She found herself enjoying the steadier companionship of Quest. As a matter of fact, she found herself enjoying his companionship more than she intended to. She found herself falling in love with him. Now this did not suit her at Blessing, ahead of the rest, leaped into one of the cars and started the engine. being so strongly attracted to a ached where the dark man had that the ship was the Cometfire and its skipper was her old friend, dark-eyed, curly-haired Jakdane Gille. side, he lifted the torn body of Dom Blessing. Blessing was dead. “I'm lucky,” said Quest soberly. psychologically from my birth to the task of hunting down Dom Blessing and killing him. It was an unconscious drive in me that wouldn't release me until the task was finished. “You see, Blessing was my father's assistant on Ganymede. Right after my father completed he and my mother blasted off for Io. Blessing wanted the valuable rights to the surgiscope, and he Her employer had impressed upon her that her mission was confidential, but surely Dom Blessing could not object to Dr. Mansard's son knowing about it. All these things had happened before she was born, and she did not know what Dom Blessing's relation to Dr. Mansard had been, but it must have been very close. She knew that Dr. successfully. I was born there, and he conditioned me to come to Earth and track down Blessing. Mansard had invented the surgiscope. This was an instrument with I know now that it was Jupiter-strong muscles, Quest took her in his arms. a three-dimensional screen as its “Now I can say I love you,” delicate operations could be performed at the cellular level. Dr. Mansard and his wife had disappeared into the turbulent atmosphere of Jupiter just after in Jupiter's atmosphere after the oxygen equipment failed. Dom Blessing. Its success had I know you think Dr. Mansard was your father, but androids built Spaceway Instruments, Incorporated, Dr. Mansard's disappearance, 55 Blessing had been searching the Jovian moons for a second, hidden laboratory of Dr. Mansard. which Blessing headed. Through all these years since When it was found at last, he sent Trella, his most trusted there. Blessing would, of course, be happy to learn that a son of Dr. Mansard lived, and would see that he received his rightful share of the inheritance. Because herself but she decided against it. It was Blessing's privilege to do this his own way, and he might not appreciate her meddling. you to be a chaperon,” she said. “I kept waiting for Quest to do something, and when he didn't sabotaged the ship's drive so it love me and he feels that he her wounded feelings with a sympathetic pleasantry, but he kept to himself as much as possible. He was distantly polite in his relations with both crew and Quest picked up his bulb of coffee, but inadvertently pressed it before he got it to his

<question>:
What is Dom Blessings's relationship to Dr. Mansard?

<options>:
A Dom Blessing was Dr. Mansard's assistant.
B Dom Blessing was Dr. Mansard's business partner.
C Dom Blessing was Dr. Mansard's employer.
D Dom Blessing was Dr. Mansard's best friend.

<answer>:

A