()a reply,he decided to write agin.a.not recieving b.not having recieved c.having not recievedd,not recieved 我认为a和d都对,但正确答案是a,我觉得句子是条件状语从句,省了主谓,

问题描述:

()a reply,he decided to write agin.a.not recieving b.not having recieved c.having not recieved
d,not recieved 我认为a和d都对,但正确答案是a,我觉得句子是条件状语从句,省了主谓,