A summary of both the Uniform Crime Reports of the Federal Bureau of Investigation and the victimization reports for the last decade show that while the number of police reports of serious crime has risen steadily, the number of victims of crime remains about the same.
B) show while
C) shows that while
D) shows while the number of
E) shows that while the number of
答案是E),
請問C)為什麼不可以?
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