题目内容：

When he came back three hours later,they were still sitting on the sofa,____ in conversation.
A absorbing B absorbed C to absorb

优质解答

答案：B翻译：当他三个小时后回来时,他们仍然坐在沙发上,专注地交谈着.此题考查非谓语动词做伴随状语的语法.1.非谓语动词做状语时,需要考查句子主语（即非谓语动词的逻辑主语）和该非谓语动词之间的关系.2.此题中,th...