单选题 There is a real possibility that these animals could be frightened,( )a sudden loud noise.
【正确答案】 B
【答案解析】考查虚拟语气。句中that引导的从句these animals could be frightened,a sudden loud noise是possibility的同位语,其中包括一个表示与将来事实相反的虚拟语气句,条件从句中没有if,应用部分倒装,将助动词should移至句首。故本题选B。句意:万一突然有巨响,这些动物 就会受到惊吓,这确实 是可能的。