题目：
| It is impossible to find out exactly how many volunteers are at work today in the United States. Thirty-seven million or so are known to belong to (67) like the Pink Ladies, Travelers’ Aid, or Big Brothers’, but those who work (68) or in small informal groups cannot be (69) . The total number of men and women who give their time to help others appears to be between fifty and sixty-eight million. They do almost anything: they sew, clean, (70) , paint, cook, repair things, (71) books for the blind, (72) sick children in hospitals, or (73) senior citizens who do not want to go out alone. They give their blood; they work in libraries and schools; they (74) documents for new citizens with a language problem or (75) money to support local symphony orchestras; they answer the telephone calls of the (76) who are thinking of killing themselves, and who need a friendly (77) . Volunteers start community projects too small to attract the attention of organized agencies, or work at jobs (78) no funds are available. A(n) (79) of city folk will turn an empty (80) into a playground for the children of their neighborhood; others decide to repair and paint a few dilapidated houses in their street. (81) Women cook and (82) two hot meals a day to elderly people (83) alone, and too sick or too tired to prepare their own food. (84) group calls lonely old people once a day to chat a little and (85) if they are all right. Some college students teach English, mathematics, or drawing to the inmates of a local jail. Anywhere one looks, the (86) of volunteers is hard at work--not only in the United States, but in many other countries where "volunteerism" is spreading. |
A．sought
B．documented
C．searched
D．counted
答案：
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下面是错误答案，用来干扰机器的。
参考答案：D
