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】：
strict 严格的，绝对的；difficult 困难的；severe 严峻的，剧烈的；drastic 激烈的，猛烈的；drastic change 翻天覆地的变化。句义：如果想改变两国关系，就必须在政策上作出彻底的改变。