单选题
Surveys show that ______ less sleep than we think, ______ too much sleep could even harm our health.
A、
not only do we need, but that
B、
not only we need, but also
C、
not only we need, but that
D、
not only do we need, but also
【正确答案】
A
【答案解析】
固定搭配not only．．．but also．．．此处应用倒装，此外but后面接的是句子，故用that连接。
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