---------my glasses?Yes,I saw them on your desk minute.a.do you see b.have you seen c.had you seen.

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---------myglasses?Yes,Isawthemonyourdeskminute.a.doyouseeb.haveyouseenc.hadyouseen.---------myglass

---------my glasses?Yes,I saw them on your desk minute.a.do you see b.have you seen c.had you seen.
---------my glasses?Yes,I saw them on your desk minute.a.do you see b.have you seen c.had you seen.

---------my glasses?Yes,I saw them on your desk minute.a.do you see b.have you seen c.had you seen.
B
根据回答里的SAW判断是过去的某种时态,所以不选A
C 对话的问题是现在提的,所以用HAVE.强调过去到现在有没有看到眼镜的影响.
选B

B,现在完成时。