问题
选择题
The writer is not satisfied with _______ buses are too crowded.
A．that
B．which
C．what
D．the fact that
答案
答案：D
考查同位语从句。句意：这位作家不满意这个事实，就是公交车太拥挤。that buses are too crowded是同位语从句，解释前面的名词the fact，所以选D。
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