In a sport team each player has a clear role, and there are few occasions members are confused or uncertain of their roles.
A. why
B. where
C. when
D. in which
网友回答
A. why
B. where
(答案→)C. when
D. in which
解析：考查定语从句。句意：在一个运动队里，每一个成员都有自己的角色，几乎没有成员们对自己的角色困惑或者不确定的时候。这是一个定语从句，根据先行词是occasion，从句中不少主语或者宾语，所以C正确。