Very few scientists _____ with completely new answers to the world.s problems. 选项: A:come to B:come round C:come up D:come on

Very few scientists _____ with completely new answers to the world.s problems.
选项:
A:come to
B:come round
C:come up
D:come on

出自：河南科技大学大学英语3(专升本)

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