— He is eager to try something he has ne
题型：选择题
问题：
— He is eager to try something he has never tried before.
— Oh, I see. That's _____ he's different from others. [ ]
A. when
B. where
C. how
D. what
— He is eager to try something he has never tried before.
— Oh, I see. That's _____ he's different from others. [ ]
A. when
B. where
C. how
D. what