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单选题
Very few scientists ______ completely new answers to the world’s problems.
A

come about  

B

come after

C

come up with  

D

come down with

参考答案

参考解析
解析：
很少有科学家能够想出完整的新的解决这个世界问题的方案。
come up with想出，想到。come about发生, 产生, 改变方向。 come after跟着…来, 跟在…后面。come down with付钱,染上(病)。
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