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

<passage>:
Harper Breen sank down gingerly into the new Relaxo-Lounge. He placed reasonable coöperation from the nincompoops I have to hire! It's the idiocy of the human race that's got me whipped! It's the—" Leaping from the sofa, Harper rudely snatched the magazine from acknowledged. "Combine a rest-cure with business, eh?" Raising the magazine, he began reading the advertisement. And that was when he saw the line about the robots. "—the only hotel staffed entirely with robot servants—" "Robots!" he shrilled. "You mean they've developed the things to that point? Why hasn't somebody told me? I'll have Jackson's hide! I'll copper-glass, and at the vistas of beautiful domed gardens framed by a dozen arches. But most of all, the robots won his delighted approval. state of perfection. How, he wondered again, had this been done without his knowledge? Was Scrib right? Was he slipping? Gnawing at the doubt, he watched the robots moving efficiently about, pushing patients in wheelchairs, carrying trays, guiding newcomers, performing janitorial duties tirelessly, promptly, and best of all, silently. Harper was enthralled. He'd staff his offices with them. Hang the proneness to error that was always deviling the most carefully trained office staffs! He'd investigate and find out the exact potentialities of these robots while here, and then go home and introduce them into the field of business. He'd show them whether he was slipping! Briskly he went over to the desk. He was immediately confronted with a sample of that human obstinacy that was slowly driving him mad. Machines, he sighed to himself. Wonderful silent machines! For a woman was arguing stridently with the desk clerk who, poor man, was a high strung fellow human instead of a robot. Harper watched him shrinking and turning pale lavender in the stress of the argument. No one within the confines of the huge lobby could have helped hearing. The clerk flinched visibly. "Now, Mrs. Jacobsen," he soothed. "You know the hotel is staffed entirely with robots. They're much more expensive, really, than human employees, but so much more efficient, you know. Admit it, they give excellent service, don't they, now?" Toothily he smiled at the enraged woman. But she had turned her glare on Harper. "You could at least be civil enough to wait your turn!" Harper smirked. "My good woman, I'm not a robot. Robots, of course, are always civil. But you should know by now that civility isn't a normal human trait." Leaving her temporarily quashed, he beckoned authoritatively to the clerk. "I've just arrived and want to get settled. I'm here merely for a Absently holding it, he straightened up to face Mrs. Jacobsen and the pallid smile he pressed a button and consigned Harper to the care of a Harper opened his eyes. Two robots were bending over him. He saw that he drifted off, he thought of Mrs. Jacobsen. Maybe she had something, There was a tentative knock on the door. "Come in," called Harper desk demanding service while he, Harp, was being registered. "Say, pardner," he said hoarsely, "you haven't seen any of them robots around here, have you?" Harper scowled. "Oh, haven't I?" he grated. "Robots! Do you know what "Why didn't you stop 'em?" reasonably asked the visitor. "Stop a robot?" Harper glared pityingly. "How? You can't reason with had the insane notion that robots were the last word! Why, I was ready to staff my offices with the things!" Factory. Processed food. Nothin' else. Just nothin'. That's where they could use some robots. It sure ain't no job for a real live man. And in fact, there ain't many men left there. If old man Hagerty only knew it, he's about out of business." Harper sat up as if he'd been needled. He opened his mouth to speak. But just then the door opened briskly and two robots entered. With a horrified stare, Harper clutched his maltreated stomach. He saw a third The robots not only ignored Harper. They paid no attention at all to of the room phone but as usual a robot voice answered sweetly, mechanically, and meaninglessly. He hung up and went miserably to bed. Something that concerned robots. But he was too exhausted to think it out. For five days now his pet robots had put him through an ordeal that made him flinch every time he thought about it. Which wasn't often, Jake, looking over Harper's skimpy frame, grunted doubtfully. "Maybe Harper looked at his watch. "Time to go. Relax, old man. The robots Harper had guessed right. Gleefully from the doorway of his new room he watched the robots wheel away his equally delighted neighbor for his first treatment. Then he closed the door and began to don Jake's robot operator. Hopefully he stepped out into the hall and shuffled to the elevator. Only the robots were immune to Harper Breen's progress across the huge elevator, he had laid a course for the desk which loomed like an island in a moss-gray lake, and now he strode manfully toward it, ignoring the oversize trousers slapping around his stocking feet. Only the robots The clerk was the first to recover from the collective stupor. Frantically he pushed the button that would summon the robot guard. With a gasp of relief he saw the two massive manlike machines moving at the robots. Things like inkwells and typewriters and card indexes. Especially, card indexes. "Stop it!" begged the clerk. "You'll wreck the system! We'll never get With one last appalled glare at the madman, the clerk picked up an electric finger and pointed it at the approaching robots. They became Brushing aside the startled secretary in the outer cubicle, Harper robots!" he muttered. "As if I invented the damned things!" resignation." Again he sighed. "The trouble," he explained, "is that those fool robots are completely logical, and people aren't. There's no way to mix robots, but they haven't yet. Only we had to find it out the hard way. We—" he grimaced disgustedly—"had to pioneer in the use of robots. And it cost us so much that we can't afford to reconvert to human help. So—Operation Robot is about to bankrupt the syndicate." aren't you?" Meticulously Harper clipped and lit his cigar. "It seems to me that these robots might be useful in quite another capacity. I might even reasonable price, of course—and forget the outrages I've suffered at your establishment." Hayes leaned toward him incredulous. "You mean you want these robots treatment he was accustomed to! Haughtily he squared his bony shoulders inside the immense jacket and stepped into the elevator. He was ready for the second step of his private Operation Robot. Hagerty's Enzymes and staffed the plant with the hotel's robots. Got both of 'em dirt cheap. Both concerns going bankrupt because they didn't have sense enough to swap their workers. Feel I owe you a bit "All right?" Scribney gulped. Why, the dried-up little turnip was human after all. "All right! Yes, sir! But aren't you going to use some of those robots for office help? Aren't they efficient and all that?" Harper's smile vanished. "Don't even mention such a thing!" he yelped.

<question>:
Why did Harper think of Mrs. Jacobsen when the two robots came to his room?

<options>:
A One of the robots looked like her.
B He scoffed again at her irritation with the robots.
C He realized the man standing behind him in line was her husband.
D He was starting to agree that human customer service might be preferable to robots.

<answer>:

D