Only when the war was over return to his hometownsA. have the soldiersB. the soldiersC.

问题补充：

Only when the war was over return to his hometowns．

A. have the soldiers

B. the soldiers

C. the soldiers did

D. did the soldiers

答案：

A. have the soldiers

B. the soldiers

C. the soldiers did

(答案→)D. did the soldiers

解析：考察only的倒装句。only放在句首，强调状语的时候也要使用部分倒装的形式。要注意当only不强调状语的时候，就不需要倒装句了。本题only放在句首，强调的是时间状语从句when the war was over，故使用部分倒装的形式。根据was说明本句应该使用一般过去时。故D正确。