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

<passage>:
day, two of which I knew about immediately. Mary brought a portable JUNIOR ACHIEVEMENT typewriter from home and spent part of the afternoon banging away at what seemed to me, since I use two And Hilary brought in a bottle of to lead a junior achievement his new detergent. It was a syrupy suds. He'd been busy in his home laboratory after all, it seemed. yellow liquid with a nice collar of tasty, I might add. "Why, Donald," she said, "it could be quite interesting, if I understand what a junior achievement group is. "Goodness." I protested, "it's been twenty-five years since my last course "Mr. McCormack called me to the office today, and told me that some of the children in the lower grades wanted to start one. They "It wasn't my idea, really," I admitted. 20% solution." one of the group suggested my name." in chemistry. Perhaps if I saw the need adult guidance of course, and formula—." other hand, the fathers of most of my students work for the Commission and a constant awareness of the Commission and its work pervades the at least sometimes, to teach my old-fashioned brand of science to these children of a new age. group this summer?" "What does a junior achievement group do?" "It has the purpose," I told her, themselves. "Well, now," I demanded, in my best classroom voice. "What is all this?" were laughing and evidently enjoying which are available for later educational expenses." "Gracious, you wouldn't have to "Oh, please, Mr. Henderson, come outside where it's quieter and tell me all about it." kids how to do it." Marjorie put back her head and laughed, and I was forced to join her, "You didn't know that one of your junior whatsisnames poured detergent in the Memorial Fountain basin last night?" hour. Suds built up in the basin and overflowed, and down the library "What is it?" I asked. "You never steps and covered the whole street. across the street. And this morning," she chortled, "somebody phoned in an anonymous tip to the police—of course it was the same boy that did so, of course, did we, which meant starting mortgage payments all over "Yes, of course. Who would ever with those cute furry tails?" the summer—a roomy unused barn belonging to the parents of one of Mr. Miller, who had come home to see what all the excitement was, went back to work and Mrs. Miller went you know. I stopped being a school teacher when the final grades went in last Friday. I'm on vacation now. My job here is only to advise, and I'm going to do that as little as possible. don't need to treat me as a teacher, charming little beasts, with tails as "Seventeen. No, eighteen, now. get out of their cages. But heaven 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." "We'll be out of the mouse business by then," Doris predicted. "Every pet shop in the country will have them and they'll be down to nothing Doris was right, of course, in spite a few months younger, was just an average, extroverted, well adjusted youngster, noisy and restless, tee-shirted and butch-barbered. The group exchanged looks to see week—with a few interruptions—we built cages, hundreds of them, a good "Well, Mr. Henderson, a junior achievement group is a bunch of kids "There's something wrong with making said Hilary. "We'll need some money these junior achievement efforts, are It was on Tuesday—following the Thursday—that a lanky young man disentangled himself from his car free up rusty bolts, cleaner to remove road tar, mechanic's hand soap—that squares of screening onto wooden frames. "Hi," he said. "You're Donald sort of thing. Mr. McCormack had "The Miller boy and Mary McCready," high IQ's—around one forty he had said, "have exceptionally these youngsters a bit more ambitious. much of the time they seem to have little interest in their studies. The junior achievement idea has sparked their imaginations. Maybe it'll be just what they need." in the electronics field. A hi-fi sub-assembly of some kind." "How about a new detergent?" Hilary put in. "Like the liquid dishwashing detergents?" advance against next season's royalties. It was a rainy morning about three team except Tommy. Jeff lowered his feet from the picnic table and said, "Hi." legal sense, of course. Hilary and I should keep the achievement group were just going over the situation on his phosphonate detergent. I've spent Dr. Matlack's son, aren't you? Been dipping into your father's library?" "Some," said Hilary, "and I've got a home laboratory." despondency. "I'm not very technical. "That's fine, Mr. McCord," Hilary said, "but it's not very important." "No?" Jeff tilted an inquiring eyebrow every month." "No," said Doris, "these aren't laboratory mice. They're fancy ones. I always clean mouse cages later. Where's Tommy?" Hilary had been deep in thought. "What on earth for? We have over six thousand in the account." "What did they do today, dear?" Marge asked as she refilled my coffee of sandwiches. The parents had agreed to underwrite lunches at the cup. found a place over a garage on Fourth Street that we can rent for 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 keep the group going after school young boy who doesn't know any better, "Why not? The kids can sail through their courses without thinking about them, and actually they won't put in more than a few hours 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 be the only employees—just at first, may wind up a sales manager. naturally. On the other hand, they It was Mary, finally, who advanced "and think about the small end. It'll work out all right." I wished that the youngsters weren't starting out by inventing a new impractical, of course, for a group of Tommy, for example, wanted to put tooth powder into tablets that one would chew before brushing the threaded part, then send it home with a few turns of a screwdriver. Hilary, reluctantly forsaking his ideas on detergents, suggested we These latter ideas had made unknowing use of some basic physics, and I'm afraid I relapsed for a few minutes into the role of teacher and told them a little bit about the laws to have to call in Mr. Wells." I do feel just a little embarrassed "Why it would have to, wouldn't it? It changed the pattern of air pressures." "Oh, sure, but don't you think it complacency in his voice. "It didn't take long, but they sure made it out yes, and cosign the note." and to ask how we were progressing make me most uneasy. To say nothing of finding myself responsible for a two-hundred-and-fifty-dollar note—over two weeks salary. I made a mental vow to sign very few checks. that evening, and Marjorie recognized I only told her about the success of and wood splints. There was no use in both of us worrying. On Friday we all got down to work, for every member of the group to be a company officer. Of course a

<question>:
Why does Donald's wife think it is funny that Donald might lead the junior achievement group?

<options>:
A Donald is prone to get carried away with 'side projects,' which his wife finds amusing
B Donald's students know more than he does about science and industry
C Donald has no desire or innate talent to participate in sales- or marketing-related schemes
D Donald comes home each day and complains about his students, yet he is volunteering to spend more time with them

<answer>:

C