Occasions are quite rare I have the time to spend a day with my kids. A. whoB. whichC. wh

问题补充：

Occasions are quite rare I have the time to spend a day with my kids.

A. who

B. which

C. why

D. when

答案：

A. who

B. which

C. why

(答案→)D. when

解析：此题考查定语从句关系词的选择。此题关键是要根据句意看出是定语从句。句意为：我有时间和孩子们一起度过一天的机会很少。Occasions是先行词，所选关系词在定语从句中要做时间状语，故可排除其他选项。