His letter,_____ to the wrong number,reached me late

题目

His letter,_____ to the wrong number,reached me late
a.having been addressed b.to have been addressed
c.being addressed
选A,为什么是用having...的形式?

答案

这句话完整的说是这样His letter,which has been addressed to the wrong number, reached me later.这里是用什么来替代定语从句的问题,应为是已经完成的动作,而B中的TO 是不定式,他用在这里表达的意思是将要被寄错,...