While watching television, ______.A、the doorbell rangB、the doorbell ringsC、we

游客2025-02-28 43

问题 While watching television, ______.

选项 A、the doorbell rang
B、the doorbell rings
C、we heard the doorbell ring
D、we heard the doorbell rings

答案 C

解析非谓语动词。首先while引导的非谓语watching的主语应为人，因此排除A、B。又因为hear为感官动词，hear sb. do sth. ，因此ring应为原形，故选C。

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