The radio club in our school, _______ used to be poorly run, is now very popular among students.

A. that             B. which                C. what             D. where

The radio club in our school, _______ used to be poorly run, is now very popular among students.

1. A.
   that
2. B.
   which
3. C.
   what
4. D.
   where

The radio club in our school, _______ used to be poorly run, is now very popular among students.