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

<passage>:
Sly, brave and truculent, the Qornt Retief had thrown a turn of violet silk around Qorn's left wrist, bound it to the alien's neck. Another wisp of stuff floated from Qorn's shoulder. Retief, still holding Qorn in an awkward sprawl, wrapped it around one outflung leg, trussed ankle and thigh together. Qorn "Gentlemen, are any of you familiar with a race known as the Qornt?" Retief kicked it. Qorn's chin hit the floor Qorn got a leg under him they had appeared. There was no record of where they went." He paused for effect. "They have now reappeared—occupying the inner planet of this system!" trussing Qorn up for me." "Indeed, Mr. Magnan?" Nitworth smiled icily. "It appears the Qornt do "But we must select a leader!" "That won't be necessary, boys. I'm your new leader." His Supreme Excellency The Qorn, Regent of Qornt, Over-Lord of the thirtieth day. Then will the Qornt come with steel and fire. Receive, "What good would that do? Qornt are Qornt. It seems there's always one the new Qornt stepping on our heels—" "I've lost the thread," Magnan said. "Who are the new Qornt?" "After estivating, the Verpp moult, and then they're Qornt, of course. The Gwil become Boog, the Boog become Rheuk, the Rheuk metamorphosize into Verpp—" Qornt fleets are indetectible!" warmongers like Qorn?" "Very likely. 'The milder the Verpp, the wilder the Qorn,' as the old "You mean Slun and Zubb—the mild-natured naturalists—will become "What do Qornt turn into?" Retief asked. "Hmmmm. That's a good question. So far, none have survived Qornthood." "Oh, by no means. The fleet lifts in thirty days. After all, we're Qornt we have to satisfy our drive to action." action is clear, but it remains to be implemented. We have a population "Only a dead Qornt stays home when Attack day comes. And even if of over fifteen million individuals to relocate." He eyed the Qornt personally." flamboyant blossoms of yellow and red, reaching down to a strip of Magnan gulped audibly. The Qornt froze, head tilted, beak aimed darted to the left. The first Qornt pounced, grappled Magnan to its and faces like that!" The smaller of the two captive Qornt ran long, slender fingers over whistle escaped—"at being taken for a Qornt." "Aren't you a Qornt?" like Qornt." "Oh, not at all—except perhaps to a Terrestrial. The Qornt are "Not at all! A Verpp wouldn't think of fertilizing a Qornt." "Why, the Qornt are argumentive, boastful, lacking in appreciation "How many Qornt would you say there are at Tarroon?" "Fifteen or twenty Qornt." "You mean that there are only fifteen or twenty individual Qornt in all?" Another whistle. "Not at all. I was referring to the local Qornt only. mating—such a tedious business—and of course the Qornt are tied up "Do you mean to say," Magnan demanded, "that these ferocious Qornt, who "Yes, yes, of course. Qornt Hall lies here inside the village." high-pitched screeching. "Softly, now. We approach Qornt Hall. They that these Qornt are allowed to embark on piratical ventures of this "Oh, the majority of the Qornt favor the move, I imagine." bird-kneed, bearing steaming platters, stood in groups of three strumming slender bottle-shaped lutes, or pranced an intricate-patterned dance, unnoticed in the shrill uproar as each of the magnificently draped, belted, feathered and jeweled Qornt carried "Ah, a moment," Zubb said. "Observe the Qornt—the tallest of the "Certainly. What other kind would the Qornt bother with?" comprise the fleet? And where they're based at present?" "They're fully automated twenty-thousand-ton all-purpose dreadnaughts. They mount a variety of weapons. The Qornt are fond of that sort of thing. Each of the Qornt has his own, of course. They're virtually though these brutes employ a battle armada as simpler souls might a set of toy sailboats!" "And now an interview with the Qorn himself," Zubb shrilled. "If you'll anything that annoys the Qornt, it's Qornt-like behavior in others. Now forward, gibbered, waving his arms excitedly. Qorn pushed back his Qorn looked Retief over in silence, then belched. "Stay back!" Qorn hooted. "Stand over there where I can keep an eye on "I guess so," grunted a giant Qornt in iridescent blue with Qorn's eyes bulged. He half rose. "We've been all over this," he "Oh, sure, Qorn." Qorn rumbled and resumed his seat. "All for one and one for all, that's "And you're the one, eh, Qorn?" Retief commented. anyway," he added. "They do whatever I convince them they ought to do." "But I'm sure that on more mature consideration—" "I can lick any Qornt in the house." Qorn said. "That's why I'm Qorn." "Let them go," the blue and flame Qornt said glumly. "You can do better than that," Qorn hooted. "Now here's a suggestion: we carve them up a little—lop off the external labiae and pinnae, say—and ship them back." "Oh, I doubt that," the blue-and-flame Qornt said. "Why should they?" Qorn rolled an eye at Retief and another at Magnan. "Take these two," "What's your proposal?" Qorn whistled, taking a gulp from his goblet. "What?" Qorn trumpeted. Behind Retief, Magnan spluttered. Qornt Hall—uninvited, at that—and in chains—" Zubb screeched, waved the guns. The Qornt were jabbering. "I told you they were brutes," Zubb shrilled. Qorn slammed his fist down on the table. "I don't care what they are!" he honked. "Evacuate, hell! I can field eighty-five combat-ready ships!" "And we can englobe every one of them with a thousand Peace Enforcers with a hundred megatons/second firepower each." "We'll take you on!" Qorn French-horned. "We're the Qorn! We glory in "Hogwash," the flame-and-blue Qorn cut in. "If it wasn't for you, Qorn, "Qorn, you seem to be the fire-brand here," Retief said. "I think the Retief watched as Qorn's aides helped him out of his formal trappings. doubt if old Qorn would weigh up at more than two-fifty standard pounds arms. Qorn stalked forward, long lean legs bent, long horny feet Qorn struck suddenly, a long arm flashing down in a vicious cut at Qorn hissed and charged. Retief whirled aside, then struck the alien's off-leg in a flying tackle. Qorn leaned, arms windmilling, crashed to the narrow back, seized Qorn's neck in a stranglehold and threw his weight backward. Qorn fell on his back, his legs squatted out at an

<question>:
What do the Qornt transform into once they moult?

<options>:
A No one knows because they have never lived that long.
B They turn back into Boog.
C They turn back into Verpp.
D They turn simply grow larger.

<answer>:

A