There is a real possibility that these animals could be frightened, ______ a sud

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问题 There is a real possibility that these animals could be frightened, ______ a sudden loud noise.

选项 A、being there
B、should there be
C、there was
D、there have been

答案 B

解析该句是一个省略if的倒装的虚拟条件句，可还原为“if there should be…”。A项语序不正确。

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