the book has been translated into thirty languages since it ------on the market in 1973A.had come B.has come C.came D.comes我知道选c,可我想问问ABCD分别是什么时态啊

问题描述:

the book has been translated into thirty languages since it ------on the market in 1973
A.had come B.has come C.came D.comes
我知道选c,可我想问问ABCD分别是什么时态啊

A过去完成时 过去的过去
B现在完成时
c过去时
D一般现在时

A是过去完成时
B是现在完成时
C是一般过去时
D是一般现在时