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

<passage>:
"Stupid!" Petchareff's voice sounded behind Nadezhda's, and the speaker clicked and went dead. Pashkov dove into the clouds and brought his flier to a hovering stop. Petchareff did not believe he was Pashkov. Colonel James, it was clear, "Erase his memory, give him a new name and feed him more patriotism. Very simple." The lieutenant stared. "Shall we kill him?" "No, no. Put him in a cage." As Pashkov ran up the steps to the villa, the curtain in the vestibule looked up. "Ah, Colonel James," Boris said in a voice that seemed to Medvedev stopped, gaped, then seized Pashkov's hand. "Colonel James! Colonel James had landed. But as he climbed down from his flier, the guards closed a circle about him. hospital gown. I got through to Anastina. She says it's Colonel James "Pretend not to know me, will he?" she yelled at Colonel James, picking up a rock. "Hold it, citizenress," Colonel James said. "Citizenress, is it?" The rock flew over his head and felled Zubov. have to look like bankers. Anastina says Colonel James was operated on "I warned you both, no kitchen squabbles while on duty," Petchareff roared. He snapped an order to the lieutenants of guards, and the guards surrounded the house. always trust him. But he enjoyed his work—enjoyed it as much as his closest professional rival, Colonel James, U.S.A. Pashkov landed on the roof of Intelligence in the northeast corner of the Kremlin, hitched up his pants and rode down. In his office, Petchareff removed the cigar from his mouth as Pashkov The kidnaping expert lay stretched cold on the ground, and Nadezhda Brunhildova stood by, holding the rock and weeping. Colonel James said, "There he is, the American spy." "Curse me," Nadezhda said, staring at him. "Another Pashkov." A terrible howl came from Zubov. Petya and Kolya, imitating Petchareff's efforts to revive their master, were battering Zubov's face with their slouched hats. "Stand back!" Kolya screamed, smashing his hat into Zubov's face. "He is trying to say something!" "He's moving!" Petya kicked Zubov and looked up for approval, his hair Petchareff slapped Kolya's face and crushed the glowing end of his cigar on Petya's forehead. The apes reeled back to a tree. Pashkov whispered to Colonel James. "Which one's the real Pashkov?" "Hhng?" But Colonel James was running to the flier, throwing Nadezhda's rock at Petchareff and running. "Grenade!" Pashkov yelled, and flung himself to the ground. At the same moment Boris Knackenpast ran from the house to the flier, his robot gear clattering like Don Quixote's armor. The guards scattered and dove for cover. "Down, lads! Grenade!" Pashkov yelled. The two apes took up the cry, "Grenade, grenade!" and flattened themselves behind the tree. Nadezhda and Medvedev collided, digging in behind the valet. Petchareff tossed the gown to Pashkov. "This is what Colonel James is Petchareff blew cigar smoke in his face. "If Colonel James makes a Boris reached the flier, Colonel James pulled him in, the engine Only Petchareff remained standing. "Stop the robot!" clouds towards Stockholm. Petchareff relit his cigar. "Tfui, tastes of monkey hair." Medvedev shambled over. "Was the grenade a dud?" "One of these days I'll catch you, Pashkov," Petchareff spat. "Your deviousness, that's one thing. It could be useful. But your levity—" colonel and find out what they're up to. Zubov's kidnaping team is Nobody moved. know he really is Pashkov? If he's actually Colonel James, I can shoot look like Colonel James to me." landed on the roof of Fralsningsarmen's Economy Lodgings—the Salvation Army flophouse. Pablo." "Tfu!" "Gringo!" At that moment Pashkov knocked on the door. From within: "Shh! " Pashkov knocked again and a scuffle ensued within, the crack of a chair "We favor any disturbance close to the United States. May I sit down?" Between two beds were stacked some dozen crates of explosives. A small table was littered with papers. Sitting down at the table, Pashkov's elbow rested on an invoice, and "Two thousand rounds." "Not much." "Maybe three thousand. I'll toss in a box of hand grenades and a can of lysergic acid diethylamide." "You have that? You have LSD-25?" Pashkov took four Havanas from the box they held out to him, stuck three in his breast pocket, and lit one. urges all haste. Colonel James is due to leave the hospital tomorrow." kidnaping of Colonel James all ready." map of twenty-third floor. Here is a map of Colonel James' room. Here pardon, do we take Colonel James alive or dead-or-alive?" lads." Petya gave Kolya a box on the ear. "Boys, boys!" Zubov cracked the whip. "Out you go. A job for Gospodin Pashkov, lads. They don't get enough exercise," he grinned, backing out after them. "With your pardon, I'll thrash them later." Pashkov had changed into the hospital gown with the Coca-Cola legend on the back. He glanced at his watch. It was four o'clock in the morning. He tossed his bundle of clothing to the first ape. "Take my flier back Comrade Petchareff to expect Colonel James today." Clutching the bundle, Kolya stuck his tongue out at Petya and bounded out of the room. They waited at the window until they saw Kolya take into the stolen Mercedes and drove to the National Hospital, all three leaning forward. As Petya brought the flier to a hovering stop against Colonel James' window, Pashkov bounced into the room Zubov drew his gun and jumped in after. Colonel James awoke, turned on the night lamp, and sat up in the bed, his eyes blinking. Pashkov stood looking at Colonel James. The resemblance between them "Excellent. Put up your gun, Zubov. Colonel James and I don't get to is Colonel James." Colonel James sat calmly on the bed. He said, "Carry him out." wall, but held on, grinned and staggered with Pashkov in his arms to the window. "You miserable idiot," Pashkov shouted. "You'll get a rest cure for this!" Zubov dropped him, pulled his gun and backed off into a corner. "How can I tell you two apart just by looking!" he cried hysterically. "I'm not a learned man." Colonel James sighed. "I guess we have to keep up appearances," he "Wonderful morning, Colonel James!" shine, there's a good girl." "Oh, you and your secrets!" An hour later, Pashkov landed on the Palace roof in Colonel James' flier—an exact copy of his own flier. The Palace roof captain stared at him, then smiled nervously. "Colonel? Do I still look like Colonel James?" "Do I talk like Colonel James?" Pashkov glanced at his watch. Colonel James would be landing in Moscow Professor Kristin said, "Colonel James, we presume you have studied "It is a good thing you do for us, Colonel James," Gustavus IX said, "Try and split the allies," Pashkov muttered, reading the legend on the gown.

<question>:
How did Colonel James get away at the end?

<options>:
A He hid in a robot costume
B He threw a rock
C He did not get away
D He threw a grenade

<answer>:

B