Countermeasures aimed at during protection during the emergency period, including evacuation, sheltering and control of the food chain were ( ) in a timely manner by the Japanese Government.

　　A.implemented

　　B.complemented

　　C.accomplished

　　D.affected

　　【答案】A。A 项：实现;B 项：补充;C 项：完成;D 项：影响。句意：针对应急期间的人员防护，实施了疏散、避难、食物链控制等对策。根据句意可知是政策被实施，故本 题正确答案选 A。