They had no idea_____

问题描述:

They had no idea_____
A Where he had gone B where had he gone C where did he have gone D where he has gone 并说明理由

A 后面 肯定是陈述 语序 排除BC 再根据前面 they had 可知是 过去的过去 因此 用过去 完成时 排除D