Can you tell me whom the play in the 1990s?Sorry I don’t know.A. was written by

问题补充：

--- Can you tell me whom the play in the 1990s?

--- Sorry, I don’t know.

A. was written by

B. was written

C. is written

D. 1s written by

答案：

(答案→)A. was written by

B. was written

C. is written

D. 1s written by

解析：句意：你能告诉我这个剧本是谁在九十年代写的吗？——抱歉，我不知道。结合语境可知从句中描述的是过去发生的动作，故用一般过去时态。从句主语是动作对象，故用被动语态，选A。