After reading a book or a magazine in the reading room , put it back_____it was.

After reading a book or a magazine in the reading room , put it back_____it was.

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

After reading a book or a magazine in the reading room , put it back_____it was.

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

After reading a book or a magazine in the reading room , put it back_____it was.

After reading a book or a magazine in the reading-room, put it back 　　   it was.

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