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

<passage>:
Fallout is, of course, always disastrous— one way or another JUNIOR ACHIEVEMENT day, two of which I knew about immediately. suds. He'd been busy in his home laboratory after all, it seemed. "What is it?" I asked. "You never told us." Hilary grinned. "Lauryl benzyl phosphonic acid, dipotassium salt, in 20% solution." "Goodness." I protested, "it's been twenty-five years since my last course me. "Is it good?" trickled in a few drops from the bottle and swished the contents. Foam mounted to the rim and spilled over. "And that's our best grade of Ridgeville water," he pointed out. "Hardest in the country." brand of science to these children of a new age. themselves. "Well, now," I demanded, in my best classroom voice. "What is all Oh, it's fabulous. Best story I've had for ages. It'll make the city papers." almost nonexistent. "Oh, all right," I said, "laugh at quiet. "You didn't know that one of your junior whatsisnames poured detergent of the barn to a spot of comparative "It was priceless. Just before rush hour. Suds built up in the basin and overflowed, and down the library steps and covered the whole street. And the funniest part was they kept right on coming. You couldn't imagine so much suds coming from that little pool of water. There was a three-block traffic jam and Harry got Marjorie did mental arithmetic. We've had to watch such things rather closely for the last ten—no, had our home almost paid for, when the accident occurred. It was in the path of the heaviest fallout, and we couldn't have kept on living there even if the town had stayed. When fifty-odd miles to the south, we so, of course, did we, which meant starting mortgage payments all over again. course it was the same boy that did an anonymous tip to the police—of down. They had to. The police left after sobering up long enough to give me a serious warning against letting such a thing happen again. "Did you hear what she said? It'll make the city papers. I wish we had a thousand kites. Ten thousand. Oh charming little beasts, with tails as bushy as miniature squirrels. "How many generations?" I asked Doris. "Seventeen. No, eighteen, now. Want to see the genetic charts?" I won't try to explain it as she did rather angular—all shoulders and elbows. Peter Cope, Jr. and Hilary Matlack to me, but it was quite evident that knows what you'll do when fall comes. They won't live in an unheated barn and you can't bring them into the house." and of modulated voice. And by then," Doris predicted. "Every pet shop in the country will have them and they'll be down to nothing apiece." Doris was right, of course, in spite a different mold. Mary McCready with a face full of freckles and an infectious laugh, and Tommy Miller, was a big husky redhead of twelve, they were all tanned by sun and wind a few months younger, was just an shipping. It was rather regrettable that, after the average, extroverted, well adjusted "There's something wrong with making money?" disentangled himself from his car use without misgivings—solvent to free up rusty bolts, cleaner to remove them by electroplating." "And all we'd need is a hydraulic press," I told him, "which, on a guess, of some kind." "How about a new detergent?" Hilary offered to license the design. Result, one licensee with a thousand dollar I asked. It was a rainy morning about three advance against next season's royalties. He was scornful. "No, they're formulations—you know, mixtures. feet from the picnic table and said, That's cookbook chemistry. I mean a team except Tommy. Jeff lowered his good even in the hard water we've got around here." "Well, now," I said, "organic synthesis brand new synthetic detergent. I've sounds like another operation safe synthesis of some sort. You're Dr. Matlack's son, aren't you? Been just looks as though we had a clear spot. If we do get protection, you've got a real salable property." despondency. "I'm not very technical. Just sort of miscellaneous. But if the every month." "No," said Doris, "these aren't laboratory handkerchief and wiped, looked at the cloth, wiped again, and stared. "What is it?" "A whisker stiffener. It makes each hair brittle enough to break off right at the surface of your skin." "So I perceive. What is it?" "Oh, just a mixture of stuff. Cookbook chemistry. Cysteine thiolactone He made a face. "Never build up any volume. Unless it did something extra. You say we'd put color in it. can work there better than here, and if we're going to break the hearts of How about enough color to leave your face looking tanned. Men won't "Oh, he stopped at the bank to get a loan." "What on earth for? We have over six thousand in the account." only it's a permanent magnet. Then you see—." And he was off. "What did they do today, dear?" winter quarters. Oh, yes, and Jeff is starting action to get the company incorporated." "Winter quarters," Marge repeated. "You mean you're going to try to a week during the school year." "Even so, it's child labor, isn't it?" "Child labor nothing. They're the employers. Jeff McCord and I will naturally. On the other hand, they make. It was Mary, finally, who advanced all, what's to lose?" Transcriber's Note: Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed. Minor spelling and typographical errors have been corrected without note. article to manufacture, and risking an almost certain disappointment, but to hold my guidance to the minimum, I happenings with Marjorie and tried drive it in with a hammer up to the threaded part, then send it home with Hilary, reluctantly forsaking his ideas on detergents, suggested we make black plastic discs, like poker chips but thinner and as cheap as possible, to scatter on a snowy sidewalk where they would pick up extra heat from the sun and melt the snow more rapidly. Afterward one would sweep up and collect the discs. and spread on the surface of a reservoir to reduce evaporation. These latter ideas had made unknowing use of some basic physics, fifty. The question is, could we and I'm afraid I relapsed for a few told them a little bit about the laws of radiation and absorption of heat. "My," said Marjorie, "they're really smart boys and girls. Tommy Miller do it?" "A kite ought to get caught in a tree sometimes." Sure enough, in the moderate breeze of that morning, the kite swooped and yawed to Mary's entire of the hole would create instability?" She looked doubtful. "Why it would have to, wouldn't it? It changed the pattern of air pressures." She glanced at me quickly. "Of course, I tried a lot of different she chortled, "somebody phoned in complacency in his voice. "It didn't take long, but they sure made it out yes, and cosign the note." My heart sank. I'd never had any dealings with banks except in the matter of mortgages, and bank people make me most uneasy. To say nothing of finding myself responsible for a two-hundred-and-fifty-dollar that evening, and Marjorie recognized and presently had a regular production line under way stapling the wood splints, then wetting them with to be sure to hold out a dozen. Three other things occurred that

<question>:
What is the most likely cause of the accident that displaced Marjorie and Donald from their home?

<options>:
A Food supply depletion
B Radioactive toxicity
C Viral contamination
D Climate devastation

<answer>:

B