The old man ___two days after he had been seen to hospital

问题描述:

The old man ___two days after he had been seen to hospital
A,died B has died C have died

答案: A
从后面的时间状语从句 after he had been seen to hospital 用的是过去完成时,那么主句只能用过去时
而 B, C 是现在完成时,所以答案: A