The young man lay on the sofa with his arms _____ and soon fell asleep
A.foldedB.foldingC.being foldedD.to fold在线课程A
解析：
考查非谓语动词，此题为with的复合结构，句意：这位年轻人躺在沙发上抱着胳膊很快就睡着了。根据语境his arms与fold之间是被动关系，所以用过去分词，选A。