Only when be possible to sign the papers.
A. does the boss e will it
B. the boss es will it
C. has the boss e it will
D. the boss es it will
网友回答
A. does the boss e will it
(答案→)B. the boss es will it
C. has the boss e it will
D. the boss es it will
解析：Only加when引导的时间状语从句位于句首构成部分倒装，根据规则主句倒装，从句不变，因此选B.