There is a real possibility that these animals could be frightened, ________ a sudden loud noise.
A.being there
B.there being
C.should there be
D.there was
网友回答
C解析考查虚拟语气和倒装句。本题是一个省略了if的虚拟语气句，并且是与将来相反，从句可以使用：should+动词原形；原句为：If there should be a sudden loud noise, these animals could be frightened.