some people are motivated by a need for success, others are motivated by a fear of failure.A. Becau

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编辑：chaxungu时间：2026-04-27 03:05:17分类：高中英语题库

【题目】_________some people are motivated by a need for success, others are motivated by a fear of failure.

A. Because B. If

C. Unless D. While

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【答案】D

【解析】试题分析：考查连词。连词because因为；if如果；unless除非；while尽管；然而；当……时；根据句意可知此处表转折，所以使用while＂尽管＂。故D项正确。