While watching television A. the doorbell rangB. the doorbell ringsC. we heard the doorbe

问题补充：

While watching television，．

A. the doorbell rang

B. the doorbell rings

C. we heard the doorbell ring

D. we heard the doorbell rings

答案：

A. the doorbell rang

B. the doorbell rings

(答案→)C. we heard the doorbell ring

D. we heard the doorbell rings

解析：考查分词做状语的用法。当分词做状语时，分词的逻辑主语一定是句子的主语，现在分词的逻辑主语是动作的执行者；过去分词的逻辑主语是动作的承受者。本题中使用了watching,说明该动词的逻辑主语也要是句子的主语，选项中只有Ｃ项的主语是人，也就是watch television的发出者。故C正确。