A________ change in policy is needed if relations between the tw

A________ change in policy is needed if relations between the two countries are ever to improve.
A、strict
B、difficult
C、severe
D、drastic
【正确答案】：D
【题目解析】：drastic的意思是“极端的、急剧的”。原句的意思是“如果想推进两国关系的话，需要对政策进行大刀阔斧的改革”。因此我们选择D. drastic。