Only when possible to settle the problem.
A. does the chief editor e will it be
B. the chief editor es will it be
C. has the chief editor e it will be
D. the chief editor es it will be
网友回答
A. does the chief editor e will it be
(答案→)B. the chief editor es will it be
C. has the chief editor e it will be
D. the chief editor es it will be
解析：句意：只有当主编来了，才有可能解决这个问题。Only接时间状语从句放在句首的时候，时间状语从句不要倒装，但是后面的主句要倒装，所以选B。