A student of English ________ limited exercise finds it hard to get good mark in an English exam．

1. A.
   is used to deal with
2. B.
   used to deal with
3. C.
   is used to dealing with
4. D.
   used to dealing with

A student of English________ limited exercise finds it hard to get good mark in an English exam.
A. is used to deal with　   B. used to deal with 
C. is used to dealing with    D. used to dealing with