The government's ______ of sending its troops to Iraq last week triggered mass demonstrations in this Western country.
 
【正确答案】 A
【答案解析】 选项中的词以-sumption结尾。resumption“继续”；presumption“推测，假定”；assumption“假设，假定”；consumption“消费，消耗”。分析句子可知，空格应填入与last week意思对应的名词，resumption符合本题的题意，故答案为A。