Before I set out on my journey, my mother told me everything I should pay attention to.
A. where
B. what
C. how
D. that
网友回答
A. where
B. what
C. how
(答案→)D. that
解析:考查定语从句关系词的选择。该句为定语从句,先行词是everything,在定语从句中充当pay attention to 的宾语,
句意为,在我旅行出发前,我的妈妈告诉了我一切我需要注意的东西。