I don't remember when ang where I__this umbrella A.buy B.have bou_英语解答

I don't remember when ang where I__this umbrella A.buy B.have bought C.will buy D.bought
我选的是B,觉得“不记得”是过去完成时对现在造成的影响,

人气：101 ℃　时间：2020-05-10 20:32:07

解答

答案为D
因为有when,所指为“过去时间”,不能和“现在完成时” 连用