问题描述：
一道简简单单的高中英语语法题
Tigers live in forests,_____ there are plenty of other animals for them to hunt for food.
A when B if C as D where
我只想问C为什么不可以类?
Tigers live in forests,_____ there are plenty of other animals for them to hunt for food.
A when B if C as D where
我只想问C为什么不可以类?
问题解答：
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