题目内容
Not until Mr. Smith came to China ___ what kind of a country she is.
| A．did he know | B．he knew |
| C．he didn't know | D．he could know |
A
解析试题分析：考查倒装句：句意：直到斯密斯先生来到中国，他才知道这是什么样的国家。Not until Mr Smith came to China置于句首，主句要部分倒装。助动词did放在主语前面，应该选A。
考点：考查倒装句
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