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

<passage>:
turn back to Rathole and see if some other way could not be Jan smiled a tight smile. Jan sat in the half-buried room "Tell them to take the engines out," he said. "Since we have no found. and enjoyed the luxury of a pipe filled with some of Theodorus Earthship over at Rathole." talked to the boy in low, liquid tones in a corner of the room. Jan needed all his Dutch stubbornness, and a good deal of pure physical strength besides, to maneuver was in Rathole were able to build Jan was at a loss to know how people whose technical knowledge the clay bit grates on less stubborn teeth. was as skimpy as it obviously and Jan bounced against his that was all. Jan felt justifiably exasperated at these Spanish-speaking people. "If some effort had been made groundcars out to search for it. This, of course, would be too late to help the patient Van Artevelde again. This time he was really heaved about. Jan mentioned this to the was bringing, but Heemskerk had no personal interest in groundcar radio. the patient. His worry was all for his friend. The two of them had three times." "Don't worry," said Jan. "I'll be back on time, with a broom at the masthead." Jan Willem van Artevelde mother's shoulder Diego's black eyes returned Jan's glance. "If the disease has just started, the boy could wait for the for many months, for Jan was a asked Jan. "I said I had just diagnosed it, member of the Dutch colony at Oostpoort in the northern hemisphere of the stubby gravity-boat. It would be their last chess game not that it had just started, next Earth ship, couldn't he?" smoked a clay pipe, which only a Dutchman can do properly, because die of it, and it had not been pleasant. Medical men thought it was a deficiency disease, but they had not traced down the deficiency responsible. in the midst of a small range of mountains. The only thing that could arrest and cure the disease was removal from the dry, cloud-hung Jan had just figured out a combination by which he hoped to of Oostpoort, entered two passengers tumbled prone to the ground. "Jan!" boomed Heemskerk, "They've got a passenger for the forcing his voice through the helmet diaphragm and rushing over "Rathole?" repeated Heemskerk. to his friend. "I was afraid you Jan struggled to his feet and leaned down to help the boy up. "Here's your patient, Pieter," were lost!" he said. "Hope you have a spacesuit in his size." life is to be saved. He must get to Earth at once." from Rathole faster than that." Jan puffed at the Heerenbaai-Tabak "Had no fuel," replied Jan damned thing ought to get here was aptly named. It was a ratty heard, the entire economy of Rathole Dekker said that would be taken care of," replied Sanchez. Jan relit his pipe silently, making a mental resolution that Dekker wouldn't take care of it alone. He's suffering from the Venus Shadow." Jan whistled softly. He had said Dekker. "He needs to be evacuated to Earth immediately. "This passenger can't wait," seen the effects of that disease. Rathole and bring the fellow Dekker was right. Salaries for Venerian service THE END Transcriber's Note: "The copters at Oostpoort can't back." So now Jan gripped his clay pipe between his teeth and piloted ." with a sliding sidelong glance at Jan's face. "He has been dead for three years." the other side of it lay Rathole, a Jan. "But you know I'll do it." "Jan, you're the best driver in Jan reached the edge of a spoke in Spanish to Mrs. Murillo. The woman rose to her feet and came to them. As Jan arose, she looked up at him, tears in her eyes. emergency: a windmill!" Jan disengaged himself gently, embarrassed. But it occurred to him, looking down on the bowed Rathole. His pipe was out, but were not impassable, and feminine companionship might cure his neurotic, history-born distaste good mechanic," answered Sanchez, structures in Rathole, was a The machine was dusty and spotted with rust, Jan, surrounded on it unrelentingly. The quake lasted for several minutes, during which Jan was Jan peered over the edge of the died to absolute quiescence. Jan made use of this calm to transmitted to it by heavy rubber belts. Jan sighed. It was an unhappy situation. As far as he could determine, without making tests, judged he must be nearing Rathole. anywhere in Rathole?" he asked Sanchez. Sanchez smiled ruefully, as he had once before, at Jan's appellation Jan's eyes. For a moment, he was carried back to the flat lands around 's Gravenhage. For Jan thought that over, trying that the dwellings of Rathole to find a way. "No, it wouldn't work," he Jan found half a dozen men in a group, clinging to one of the chains and waving to him. The groundcar! Jan straightened and snapped his fingers. "Doctor!" he explained. "Send a couple of men to drain the rest of the fuel from my groundcar. man. Jan recoiled and dropped the Jan recovered himself at once. He had been reading too much ancient history during his leisure conmigo. " He gestured for Jan to follow him and started off, pulling his chain. Jan followed, and the struggling along the chain. Jan got above ground in a crouch, clinging to the rail of the platform, and helped them fill Él médico ," said the man who had greeted Jan, gesturing. " Él "What is the matter, señor ?" asked Sanchez from the dome entrance. "I don't know," replied Jan. "Maybe it's that the engines man, holding out his hand. "I am Doctor Sanchez. We are very grateful you have come." "I thought for a while I wouldn't make it," said Jan ruefully, He turned and spoke to someone in the dome. One of the men of Rathole came to Jan's side and tried the engines. They refused señor ," she greeted him. "Is this the patient, Doctor?" asked Jan, astonished. She looked in the best of health. "No, the patient is in the next interpreted to Jan. "Is that correct?" "Why, yes, that's true." fuel and the platform must have high octane gasoline." Jan threw up his hands and went back into the dome. "I should have known that," he "There's nothing that can be done," answered Jan. "They may worked, Jan stared out at the dotted Rathole. Oostpoort," said the bearded shaking Jan's hand again. "Thanks," replied Jan. He donned Jan and Diego made their way Jan looked at his watch. A little more than two hours before was getting noticeably darker. Jan was sorry. He had done his of the dome, playing with some still shivering. Jan did not realize Diego must know of his ailment, and why he had to go to Oostpoort. If Jan was any judge this until he had to brake the sticks. groundcar almost to a stop at one like the surface of quicksand. The ground far ahead of him had a strange color to it. Jan, off for Earth, Jan did not know. when it blasted he must realize the seriousness involved in a decision to send him all the way to Earth. Jan felt ashamed of the exuberant foolishness which had cheat Heemskerk out of one of Jan wheeled the groundcar led him to spout ancient history northward and drove along the the spaceport ready room. Outside, the windmills of Rathole Cursing choice Dutch profanity, "There's been an emergency Rathole, power in the air all radio message," said Dekker.

<question>:
Why does Jan have to go to Rathole?

<options>:
A Jan wants to see how the people in Rathole are living.
B Jan needs to take fuel to Rathole because they have run out.
C Someone is sick and needs to be taken to Earth on the Vanderdecken.
D Someone is sick and Jan needs to bring medicine to him.

<answer>:

C