---WhatdoyouthinkoftheEiffelTower?----Splendid.WhenIwasinFrance,Iit.
---Whatdoyou
thinkoftheEiffelTower?
----Splendid.WhenIwasinFrance,Iit.
A.have
visitedB.hadvisitedC.couldvisitD.visited
选啥为啥?