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

<passage>:
I Clyde W. Snithian was a bald eagle of a man, dark-eyed, pot-bellied, with the large, expressive hands of a rug merchant. Round-shouldered in a loose cloak, he blinked small reddish eyes at Dan Slane's travel-stained six foot one. "Kelly here tells me you've been demanding to see me." He nodded toward the florid man at his side. He had a high, thin voice, like something help to you." "Help how? If you've got ideas of bilking me...." The red eyes bored into Dan like hot pokers. "Nothing like that, sir. Now, I know you have quite a system of guards here—the papers are full of it—" "Damned busybodies! Sensation-mongers! If it wasn't for the press, I'd have no concern for my paintings today!" "Now, wait a minute—" Kelly started. "Another idiotic scheme to waste my money," Snithian snapped. "I've made you responsible for security here, Kelly! Let's have no more nonsense. And throw this nincompoop out!" Snithian turned and stalked away, his cloak flapping at his knees. "I'll work cheap," Dan called after him as Kelly took his arm. "I'm an art lover." "Never mind that," Kelly said, escorting Dan along the corridor. He "Now, as the old buzzard said, I'm responsible for security here. If those pictures go, my job goes with them. Your vault idea's not bad. Just how cheap would you work?" "A hundred dollars a week," Dan said promptly. "Plus expenses," he added. Kelly nodded. "I'll fingerprint you and run a fast agency check. If It wasn't fancy, but it would do. Phase one of the plan had gone off without a hitch. Basically, his idea was simple. Art collections had been disappearing from closely guarded galleries and homes all over the world. It was obvious that no one could enter a locked vault, remove a stack of large at a table. He seemed to remember reading something about it in a magazine. It was a cheerful scene Dan liked it. Still, it hardly he'd have to handle everything just right. If he scared them off there'd be no second chance. He would have lost his crack at—whatever his discovery might mean to him. Welcome to the Twentieth Century.... No good it lacked spontaneity. The men were rising, their backs to Dan, stepping out of the skeletal frame. In the dim light it now looked like nothing more than a rough frame built of steel pipe, with a cluster of levers in a console before the two seats. And the thieves looked ordinary enough: Two men in gray coveralls, one slender and balding, the other shorter and round-faced. Neither of them noticed "Plenty. Fifteen minutes anyway." The thin man opened a package, glanced at a painting. "Ah, magnificent. Almost the equal of Picasso in his puce period." Manny shuffled through the other pictures in the stack. Manny looked. "Yeah, nice use of values," he conceded. "But I still prefer nood dames, Fiorello." popular with the sparrows." "Manny, sometimes I think your aspirations—" "I've—ah—been expecting you gentlemen," Dan said. "I—" "Wait a minute!" Dan shouted. "I'd like to make a deal with you "Ah-hah!" Kelly's voice blared from somewhere. "I knew it! Slane, you It appeared Kelly hedged his bets. "Mr. Kelly, I can explain everything!" Dan called. He turned back to Fiorello. "Listen, I figured out—" "Pretty clever!" Kelly's voice barked. "Inside job. But it takes more than the likes of you to out-fox an old-timer like Eddie Kelly." "Perhaps you were right, Manny," Fiorello said. "Complications are "Look—I want to go with you!" Dan shouted. Dan whirled to the cot, grabbed up the pistol Kelly had supplied. He the time machine." "Are you nuts?" Manny demanded. "I'm flattered, dear boy," Fiorello said, "but—" "Let's get moving. Kelly will have that lock open in a minute." "You can't leave me here!" Manny spluttered, watching Dan crowd into The balding man snatched suddenly for the gun. Dan wrestled with him. "Manny!" Fiorello released his grip on Dan, lunged to aid his heels. Dan clung to the framework as Fiorello grappled with Kelly. A Kelly capered before the cage, fluorescing in the blue-violet. Dan Hastily he reversed the control. Operating a time machine was tricky business. One little slip, and the Slane molecules would be squeezing in among brick and mortar particles.... But this was no time to be cautious. Things hadn't turned out just the way he'd planned, but after all, this was what he'd wanted—in a way. The time machine was his to command. And if he gave up now and crawled back into the vault, Kelly would gather him in and pin every art theft of the past decade on him. It couldn't be too hard. He'd take it slowly, figure out the controls.... another second she would see him, and give the alarm—and Dan needed the wall with a flurry of vivid blue light. Dan pushed the lever Dan blinked at the flash of blue and looked down. He was hovering an acceleration that kept him pinned, helpless. He groped for the controls, hauled at a lever. There was no change. The cage rushed With a lunge, Dan scrambled out of the cage. He stood looking around at "Well, it was a sweet racket while it lasted," the basso voice said. "A pity to terminate so happy an enterprise. Still...." A noise like an amplified Bronx cheer issued from the wide mouth. went for help," Dan finished lamely. to catch a brown eye upon him. Only one. The other seemed to be busily at work studying the ceiling. "I pride myself on my command of the local idiom, yet I confess the implied concept snows me." The nine-fingered hands folded on the desk. you were capable of that sort of thing." The immense head leaned back, the wide mouth opening and closing rapidly. "And to think I've been spinning my wheels collecting primitive 2-D art!" "But—don't you have a time machine? I mean, isn't that one?" afraid it's quite useless. But, to put you in the picture, I'd best introduce myself and explain my mission here. I'm Blote, Trader Fourth Class, in the employ of the Vegan Confederation. My job is to develop shouldn't assume, just because you people have developed time travel, that everyone has. Now—" Blote's voice sank to a bass whisper—"I'll make a deal with you, Dan. You'll secure a small time machine in good condition for me. And in return—" " I'm Kelly would have a warm welcome for you. And, of course, I myself would deal rather harshly with any attempt on your part to take a powder." The Vegan flexed all eighteen fingers, drummed his tentacles under the desk, and rolled one eye, bugging the other at Dan. "Whereas, on the other hand," Blote's bass voice went on, "you and me got the basis of a sweet deal. You supply the machine, and I fix you up with an abundance of the local medium of exchange. Equitable enough, I should say. What about it, Dan?" took the directory, studied it. "Remarkable! A common commodity, openly on sale, and I failed to notice ," the new-comer said, bending his knees and back in a quick bow. " Vous ete une indigine, n'est ce pas?

<question>:
Why did Kelly hire Dan so quickly?

<options>:
A Because of his understanding of time machines.
B Mr. Snithian was desperate to protect his paintings.
C Dan had a great idea for protecting the vault.
D He was willing to work for very little pay.

<answer>:

D