John's success has nothing
单选题John's success has nothing to do with good luck. It is years of hard work_____has made him what he is today.
A.why
B.when
C.which
D.that
参考答案：D
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答案解析：本题考查强调句。该强调结构为“It is ... that”被强调部分为years of hard work。故本题选D。
涉及考点
初中英语考试大纲
第一部分 语言知识与能力
第二章 英语语言能力
