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that best expresses the main idea of the passage. 3. (1)Imagine a fundraiser comes to your door and asks for a five-hundred-dollar contribution (2) You laughingly refuse, telling her that the amount is way out of your league. (3)She then asks for a ten-dollar contribution. If you are like most people, you'll probably be a lot more agreeable than if she hadn't asked for the huge contribution first. (4) Similarly, college students were stopped on the street and asked to agree to a substantial favor-acting as unpaid counselors for juvenile offenders two hours a week for two years. (5)Not surprisingly, no one agreed to such an outrageous request. (6)But when they were later asked the considerably smaller favor of taking a group of juvenile offenders on a two-hour trip to the zoo, half the people complied. (7)In comparison, only 17 percent of a control group of subjects who had not first received the larger request agreed. The sentence that best expresses the implied main idea is: a. People are basically selfish and unwilling to help others. b. Only a small percentage of any group will agree to perform voluntary service. c. More people are willing to contribute money to a cause than donate their time. d. People are more willing to agree to a small favor after they have refused a large one