The earthquake put the telecommunication system in the region (

The earthquake put the telecommunication system in the region ( ).
A、out of tune
B、out of order
C、out of work
D、out of action
【正确答案】：B
【题目解析】：out of tune 不着调，out of order 有故障，out of work 失业，out of action 失去作用，不能工作。句子含义是地震使这个地区的通信系统处于瘫痪。