All the soldiers were placed exactly the local government wanted them for the control of the eback of the flood.
A. while
B. when
C. where
D. though
网友回答
A. while
B. when
(答案→)C. where
D. though
解析：考查状语从句。本句中的状语从句where the local government wanted them for the control of the eback of the flood用来修饰动词be placed；句意：所有的士兵都被安排在政府想要他们控制住火势反扑的地方。When引导的是时间状语，though引导的是让步状语从句。故C正确。