I think digital dictionaries are very useful.

题目

I think digital dictionaries are very useful.
A.Yes,so do I.
B.It's a good idea.
C.Neither do I.
D.I get one,too.

答案

问题：我觉得电子辞典很有用.
A=是的,我也是（我也这么觉得）
B=是个好主意
C=我也不是
D=我也有一个
所以是A