Question

【题目】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

Answer 1

【答案】C

【解析】试题分析：考查时态：since后面的时态是过去时，主句是现在完成时，句意：自从1973年上市，这本书已经被翻译成30种语言。选C。