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

<passage>:
"The other Terran has gone," Klaft reported, turning from the breathless messenger as Kinton followed him from the machine. [109] "Gone? Where did they take him?" Klaft looked uneasy, embarrassed. Kinton repeated his question, wondering about the group of armed police on hand. "In the night," Klaft hissed and clucked, "when none would think to watch him, they tell me ... and quite rightly, I think—" "Get on with it, Klaft! Please!" "In the night, then, Albirken galaxy, George?" Kinton smiled wrily, and ran "Then you can give us no precise count of the stars in the a wrinkled hand through his Perhaps—" He stopped, his own words braying in his ears. Klaft was Barred off as they were from venturing into space, the clicking two claws together, a sign of emphatic disagreement. highly civilized Tepoktans constantly "Albirken," he said, "was soon "Why did he say he was traveling that way?" asked Kinton, thinking to himself of the spaceship! Was the man crazy? "He did not say," answered Klaft expressionlessly. "Taking opinion clashed with the dull had reached a fairly ripe age for a spaceman. In fact, he had already [110] enjoyed a decade of borrowed He straightened up, forcing back his early-morning weariness. "We must get into the air immediately," he told Klaft. "Then will you tell us, George, more about the problems of your first space explorers?" came another "Perhaps we may see him before He broke off at the word "spaceship" but he noticed a reserved expression on Klaft's to his own. They climbed back into the cabin and Klaft gave brisk orders to the lean young pilot. A moment later, Kinton saw the pointed face. His aide had probably turning their pointed visages to follow Klaft's progress. The aide reached Kinton and follow Klaft inside. One was a constable but the other he recognized for an officer bent to hiss and cluck into the had materialized in time to step toward the waiting group. "I regret I shall have to conclude this discussion," he announced. "I am informed that another ship from space has My presence is requested in case the crew are of my own planet." [104] Klaft excitedly skipped down to lead the way up the aisle, but Kinton hesitated. Those in the Or to get Birken? The pilot headed the craft To protect him, he wondered. about Birken. passing the dam," Klaft reported soberly after having been called to the pilot's compartment. "He stopped to demand fuel from some maintenance workers, but be fair to encourage the newcomer Klaft hesitated. "Well, couldn't they?" The aide looked away, out one away, he shook his head at Klaft's respectful protest. "But George! It was enough that they were present when you received the news. They can talk might be offended, George," he answered at last. clicked his showy teeth uncomfortably. "Perhaps they thought you was responsible for Birken, who They were leaving it up to him to handle what they considered He wondered what to do. He shouldn't have told him about the ship!" Kinton muttered, gnawing the knuckle of his left thumb. "He's on the run, To help himself forget the He caught himself and looked around to see if he had been overheard. Klaft and the police officers peered from their respective windows, in calculated withdrawal. break out into interplanetary space. Kinton had been inexplicably lucky to have reached the upthrust bulk of the spaceship that had never flown. "Never mind landing at the town!" snapped Kinton. "Go directly out to the ship!" Klaft relayed the command to the pilot. The helicopter swept in a descending curve across the "Go down!" Kinton ordered. The pilot landed about a hundred yards from the spaceship. By the time his passengers had alighted, however, Birken had the spaceship they had also built for him. Perhaps ... would it "Birken!" shouted Kinton. "Where do you think you're going?" Seeing that no one ran after him, Birken slowed his pace, but kept walking toward the ship. [112] He watched them over his shoulder. drawn level with them, about "I figure I better travel on for my health." them jokingly that he felt no Birken showed no more change his anxiety at the way Birken He glanced back at the Tepoktans beside the helicopter, Klaft, the pilot, the officer, the constable with the rocket weapon. Milky Way. Klaft, who had descended first, leaving the pilot to bring up the rear, noticed Kinton's pause. ship. "But he'll only get himself killed and destroy the ship! Or if some miracle gets him through, that's worse! He's as he realized that keeping Birken Half a dozen officials hastened up to escort the party to the vehicle awaiting Kinton. Klaft "Birken!" he shouted. "For succeeded in quieting the lesser the last time! Do you want me to send them to drag you back Birken stopped at that. He regarded blank looks of his escort. The constable half raised his heavy weapon, and Klaft sprang forward with a hissing cry. until then what he was really hoping for! The spaceman had been cleaned up and bandaged by the Klaft. He snatched the heavy guessed. "I bow to your wisdom, George," said the plump Tepoktan doctor who appeared to be in charge. decided that Birken had not come It wasn't fair, he complained "This is Doctor Chuxolkhee," murmured Klaft. steadied on Birken as the latter drawings, of course, George, for I have not yet had the good fortune to visit you." "We must arrange a visit soon," said Kinton. "Klaft will—" He broke off at the sound from Birken's head. The spaceman was blown back from the ladder. He balanced on his heels for a moment with outstretched again. another Terran to speak to." The spaceman considered that for a few breaths, then seemed to relax. "Al Birken," he introduced the intervening ground to bend over Birken. "He is dead," said Klaft when Birken's stare was suspicious. requested, turning toward the helicopter. "Yes, George," said Klaft. "George...?" "Well?" "It would be very instructive—that He climbed into the helicopter and slumped into his seat. Presently, he was aware of Klaft edging into the seat across the aisle. He looked up. He resolved to be wary of the excitement. "Why did you not let him go, George?" "What? Why ... why ... he would have destroyed the ship you worked so hard to build. There is no safe path through he had wasted in talk while the others with him stood attentively would have built you another ship, George, for it was you who showed us how." Kinton flexed his fingers about. corrected. "But what then? We "They'll fix you up," he assured the spaceman. "They're go back and commit more crimes?" "I understand, George, the logic of it," said Klaft. "I meant ... it is not my place to say this he believed, no Terran could ... but you seem unhappy." teach their experts anything. felt that he should not neglect Birken's leg, inserting a metal "I think we should not expect too much of this Terran," he warned Klaft uneasily. "You, he reaches—" too, have citizens who do not always the axe, as we say," interrupted Klaft, as if to ease the concern George?" chamber parted. Klaft, the Tepoktan To himself, he wished he had not told Birken about the spaceship. He didn't think the man exactly believed his explanation serving the current year as Kinton's chief aide, hurried him.

<question>:
Why was George upset with Klaft after killing Al Birken?

<options>:
A Klaft didn't help him during the fight
B Klaft was asking if the Dr. could study Al Birken's body
C Klaft was chastising George for killing Al
D Klaft was telling George that he should leave on the space ship

<answer>:

B