单选题
So rapidly ______ increased that the government's housing programme needs revision.
A、
has the population
B、
the population as
C、
the population had
D、
have the population
【正确答案】
A
【答案解析】
为了使句子生动起见将副词或短语放在句首时，句子要倒装。又由于主语the population是不可数名词，谓语动词用单数形式。
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