【題目】 _____ is believed that Bell invented the first telephone in1876.

A. This B. That C. It D. One

【答案】C

【解析】

試題分析：句意為：貝爾1876年發(fā)明第一部電話是可信的。根據(jù)語境，本句真正主語是“Bell invented the first telephone in1876”，為了避免頭重腳輕，常用形式主語it代替。故應選C。

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