（)inreading,hedidn#39;tnoticemeenteringhisbedroomA)absorbB)absorbingC)absorbedD)havingabsorbedC和D怎么辨别呢？

问题：（)inreading,hedidn#39;tnoticemeenteringhisbedroomA)absorbB)absorbingC)absorbedD)havingabsorbedC和D怎么辨别呢？

答案：↓↓↓

卢迪的回答：

网友采纳　　答案是C教你个好办法!把它还原成一个复合句,答案马上就出来了!Becausehewasabsorbedinreading,hedidn'tnoticemeenteringhisbedroom.把becausehewas去掉后,答案是不是就出来了!D.形式上是doing的完...