[周报1期T10] The number of foreign students attending Chinese universities _____risingsteadily since 1997.A.is B.areC.has been D.have been 为什么选C而不选D?请详细分析.

问题描述:

[周报1期T10] The number of foreign students attending Chinese universities _____rising
steadily since 1997.
A.is
B.are
C.has been
D.have been
为什么选C而不选D?
请详细分析.

The number 是主语 of 后面是the number的修饰语 所以选has been
而如果是a number of foreign students 中的a number of 是many 的意思 就会选D了.