You might keep your money in a bank, but have you heard of a time bank? This online service allows users to trade services with one another without exchanging money. For example, a hairdresser gives someone a haircut for one hour of credit in the time bank. The hairdresser could then use that credit to have a plumber come work for her for an hour. Time banks are useful for people who can't arrange direct trades. The plumber might not want a haircut, but he can work for the hairdresser and earn credit to use with someone else. How does the detail "The plumber might not want a haircut, but he can work for the hairdresser and eam credit to use with someone else" best support the central idea that time banks are a convenient way to get things done? O A. It suggests that many users would prefer to trade services rather than pay cash for something that is not an absolute necessity.
O B. It confirms the stereotype that plumbers are not usually interested in improving their appearances.
O c. It gives an example to show howtime banks work evgg for those a
O d. It reminds the reader that the Internet makes it easy for people to find others who have gone through similar life experiences.
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