During the early period of ocean navigation,（ ）any need for sophisticatedinstruments and techniques.A.so that hardlyB.when there hardly wasC.hardly wasD.there was hardly
During the early period of ocean navigation,（ ）any need for sophisticatedinstruments and techniques.
A.so that hardly
B.when there hardly was
C.hardly was
D.there was hardly
B.when there hardly was
C.hardly was
D.there was hardly
参考解析
解析：该题考查句子结构。可以看出during the early...navigation在句中做状语，如果选择B选项该句没有主句，所以本题是一简单句，选项A、C不符合倒装结构，故答案为D。
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