Only when/ general's personal diaries/ publish/ tr...

Câu hỏi: Only when/ general's personal diaries/ publish/ truth/ come out//

A. Only when the general's personal diaries were published did the truth come out.

B. Only when the general's personal diaries had been published the truth come out.

C. Only when the general's personal diaries were published had the truth come out.

D. Only when the general's personal diaries were published the truth came out.