单选题 The accident was ______ his careless use of gun.
【正确答案】 C
【答案解析】[解析] 该题是词汇题,考查近义词组的辨析。
四个选项中的短语均表示“因为”,但只有“due to”引导的短语常作表语用,也可以作定语、状语用,其他几个主要作状语用。选项A中的because of常用在句尾,也可以用在句首,如:I have chosen them because of the colors. 我选它们是由于颜色的原因。又如:Because of his wife"s being there, I said nothing about it. 他的妻子在场,我便没有提及此事。选项B中的owing to用法同because of,偶尔可以作表语,如:His death was owing to an accident. 他出车祸去世了。选项D中的on account of用法也同于because of,偶尔也可以作表语,如:That was on account of the lack of exercises. 那是因为缺乏锻炼引起的。因此,选项C为最佳答案。