While watching TV, _.
A. the telephone rang
B. the telephone was ringing
C. the telephone was heard ring
D. I heard the phone ringing
网友回答
A. the telephone rang
B. the telephone was ringing
C. the telephone was heard ring
(答案→)D. I heard the phone ringing
解析：考察分词做状语用法。当分词做状语时，分词的逻辑主语一定要是句中的主语。现在分词的逻辑主语是动作的发出者，过去分词的逻辑主语是动作的承受者。本题使用了watching，说明其逻辑主语要是句中的主语，动词watch只能是人发出的动作，故I是逻辑主语，也是后面句中的主语，故D正确。