While watching television, ________.A.the doorbell rangB.we heard the doorbell ringC.there was someone knocking at the doorD.we heard the doorbell rung
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B解析本题考查非谓语动词的用法,现在分词作状语,逻辑主语是句子的主语,因此watch的逻辑主语应该是we,其余两个不能发出watch这个动作。B、D选项中的宾语the doorbell与补足语之间没有被动含义，故选B。