【题目】It was really very dangerous; you ____ him seriously if I didn’t stop you.
A. might have injured B. could injure
C. should have injured D. must injure
在线课程【答案】A
【解析】
试题分析：考查情态动词。句意：这真的很危险，如果我不制止你，你很有可能就弄伤了他。情态动词+ have +done表示本来....但事实上不...是虚拟语气，might have injured 表示本来有可能伤到他，是一种可能性，故选A项。