■一道初中英语题(说理由)

问题描述:

■一道初中英语题(说理由)
in the past three years,he____the country twice
A.visits B.is visiting C.had visited D.has visited

D in the past 与in the past + 一段时间不一样,前者为过去,后者为从现在往前算起的这段时间,既然时间延续了,时态中也要延续