Question

She has a pen in one of her hands, but what's that in her ________ hand?

1. A.
   one
2. B.
   another
3. C.
   the other
4. D.
   other

Answer 1

D
解析：
表示两者中的“另一个”用the other，但此处已有her这个物主代词，故不用the。