__nobody was very enthusiastic about it,they decided to cancel the trip.A.Not knowing that

问题描述:

__nobody was very enthusiastic about it,they decided to cancel the trip.A.Not knowing that
B.Saying that
C.Seeing that
D.Providing that

选C 看到大家对这次旅行的兴趣都不高,他们决定取消这次旅行.