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 letter came down the slot too early that morning to be the regular mail run. Pete Greenwood eyed the New Philly photocancel with a dreadful premonition. The letter said: Tommy and Pete looked at each other, and Tommy's hands Peter: Grdznth problem getting to be a PRoblem, need Pete tossed the letter down the gulper with a sigh. He had lost a bet to himself because it had come three days later than he expected, but it had come all the same, just as it always did a Bazooka Battalion, not a PR-man. Pete settled back in the Eastbound Rocketjet with a sigh of resignation. tried to bury himself in his mother's coat collar. An indignant wail arose from the fat lady. Someone behind Pete groaned aloud and quickly retired behind a newspaper. the cabin. "Sit down," Pete said to the creature. "Relax. Cheerful reception these days, eh?" "You don't mind?" said the creature. "Not at all." Pete tossed his briefcase on the floor. At a they knew from the start that the differential was all on their close range Pete could see that the "scales" were actually tiny wrinkles of satiny green fur. He knew, of course, that the Grdznth were mammals—"docile, peace-loving mammals," of them sitting about a foot away Pete had to fight down a "Misgauged?" said Pete. "Of course," said Pete. "In their condition. I'd forgotten." "And I'm told that things have been somewhat unpleasant in the East just now," said the Grdznth. Pete thought of Tommy, red-faced and frantic, beating off hordes of indignant citizens. "So I hear," he said. "How many more of you are coming through?" what we'd have done." "Think nothing of it," said Pete indulgently. "It's been great having you." The passengers within earshot stiffened, glaring at Pete. The fat lady was whispering indignantly to her seat companion. sticking out his tongue at the Grdznth. "Going to try it again right now? Don't rush off," said Pete. "Oh, I don't mean to rush. It's been lovely, but—" Already the Grdznth was beginning to fade out. Pete. The creature gave him a toothy smile, nodded once, and grew more indistinct. In another five seconds the seat was quite empty. Pete leaned back, grinning to himself as the angry The lobby of the Public Relations Bureau was swarming like an upturned anthill when Pete disembarked from the taxi. He could almost smell the desperate tension of the place. He fought his way past scurrying clerks and preoccupied poll-takers Tommy had lost weight since Pete had last seen him. His ruddy face was paler, his hair thin and ragged as though chunks had been torn out from time to time. He saw Pete step off the elevator, and ran forward with open arms. "I thought you'd never get here!" he groaned. "When you didn't "Me?" said Pete. "I'd never let down a pal." The sarcasm didn't dent Tommy. He led Pete through the ante-room into the plush director's office, bouncing about excitedly, his words tumbling out like a waterfall. He looked as Street in his underdrawers. "Hold it," said Pete. "Relax, He turned back to Pete with a frantic light in his eye. "Good old Pete. Just in time. Just. Eleventh-hour reprieve. Have a drink, have a cigar—do you want my job? It's yours. Just speak up." "I fail to see," said Pete, "just why you had to drag me "Check." "To people who don't want to buy them, right?" "In a manner of speaking," said Pete testily. "Yes, I know. And the Grdznth are getting worse by the The more Grdznth come through, the more they act as though Pete pulled at his lip. "Any violence?" Tommy gave him a long look. "So far we've kept it out of the papers, but there have been some incidents. Didn't hurt Pete nodded slowly. "Are they?" "I wish I knew. I mean, for sure. The psych-docs say no. The Grdznth agreed to leave at a specified time, and something Pete grinned. "Grdznth in utero. There's something poetic "So Earth becomes a glorified incubator." Pete got to his Pete, with Tommy beaming over his shoulder. "The Grdznth up from the box and joined the fun. Pete watched it with his jaw sagging until his head began to spin. "No wires?" " and theoretically, it can't work. Among other things, it takes null-gravity to operate." Pete sat down, rubbing his chin. "Yes," he said. "I'm beginning to see. They're teaching you this?" Tommy said, "They're trying to. He's been working for Pete nodded. "That is, if you can make the people put up with them for another six months or so." Tommy sighed. "In a word—yes. So far we've gotten nowhere The Grdznth sitting on the stool looked regretfully from the Pete Greenwood stared at the cosmetician sobbing in the chair. "What's eating him Pete peered out the window at the traffic jam below. Cars were snarled up for blocks on either side of the intersection. A squad of traffic cops were converging angrily on the center "That would never do, of course," murmured Pete. The senator gave Pete a cold, clinical look. "Who is this person?" he asked Tommy. "An assistant on the job," Tommy said quickly. "A very if you have an idea, tell us!" Pete stood up, facing the senator. "Everything else has been tried, but it seems to me one important factor has been missed. for all the little Grdznth to arrive, and nobody's given them a "It's genius," chortled Tommy. "Sheer genius." "If it sells," the senator added, dubiously. "It'll sell," Pete said. "The question is: for how long?" The planning revealed the mark of genius. Nothing sudden, harsh, or crude—but slowly, in a radio comment here Three days later a Grdznth miscarriage threatened, and Determined movements to expel the Grdznth faltered, trembled with indecision. The Grdznth were ugly, they frightened a trifle overbearing in their insufferable films and street-corner interview tapes ran through the projectors on a twenty-four-hour schedule. Tommy Heinz grew thinner and thinner, while Pete nursed sharp post-prandial stomach pains. "Why don't people "You've got thirty minutes. Get going." Turning back to Pete, Tommy rubbed his hands eagerly. "It's starting to sell, boy. I don't know how strong or how good, but it's starting to sell! With the tolerance levels to tell "Hmmm," said Pete. "Well, why won't they? The people just didn't trust us, that was all. What does the man in the street know about transmatters? "Sure, sure," said Pete. "It sounds great. Just a little bit "Not crazy. Just getting nervous." Pete jammed his hands the Grdznth girls to gestate. But what are we hearing from Charlie?" "Pete, Charlie can't just—" "That's right," said Pete. " Nothing is what we're hearing nothing except a whole lot of Grdznth and more coming There was dead silence in the room. "Baby Grdznth,"

<question>:
What was making Pete begin to get anxious about their deal with the Grzdnth?

<options>:
A The Grzdnth kept coming through in greater numbers
B The government was starting to threaten Pete's job
C The public was only willing to wait 1 more month for the Grzdnth babies
D Pete hadn't received any progress reports on the technology advancements

<answer>:

D