单选题
People complain that (the cost) of (setting up) a company (are) so great that only the rich can afford (to run) a company in that country.
A、
the cost
B、
setting up
C、
are
D、
to run
【正确答案】
C
【答案解析】
主谓不一致。cost为不可数名词，谓语动词用单数。改C为is。
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