It was not until last July ______we started to distribute e-readers and launched an e-book store.

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问题 It was not until last July ______we started to distribute e-readers and launched an e-book store.

选项 A、that
B、who
C、which
D、whom

答案A

解析考查强调句。此句为强调句，it is／was+被强调部分+who(that)…，一般说来，被强调部分指人时用who，指物时用that，此处强调的是时间，故选A。

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大学英语三级A级

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