______ the Atlantic Ocean crosses the equator, the trade winds cause a flow of water to the west.

A. That　　　 B. When 　　　 C. Where　　　 D. Though

 

C

考核點是狀語從句。從句子結(jié)構(gòu)上判斷，有劃線的那一分句屬于狀語分句，從句子意義上判斷，該分句應(yīng)為地點狀語，故而答案應(yīng)為C。

 

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