There is a real possibility that these aimals could be frighted,____a sudden loud noise.

问题描述:

There is a real possibility that these aimals could be frighted,____a sudden loud noise.
A.being there
B.should there be
C.there was
D.there having been
要有理由,

possibility 后面是 虚拟语气
should there be,如果要是.
B