______ a reply, he decided to write again.A Not receiving B Receiving not C Not having received D Having not received答案C帮忙解释一下AC的区别,为什么不能选A
热心网友
他决定再次写信的时间，是个过去的时间Not having received reply 是发生在过去的时间之前的事所以要用过去完成式C
热心网友
Not having received 中的- ing形式是分词做原因状语形式,而receive用完成时表过去的过去
热心网友
received 被动语态,指其不被接受,所以要再次写信.