12． We will be shown around the city：schools，museums，and some other places，    other visitors seldom go．

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

We will be shown around the city：schools，museums，and some other places，      other visitors seldom go．

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

We will be shown around the city：schools，museums and some other places，________other visitors seldom go．

[　　]