___young people see and hear in the media helps them to figure out how the world works.

___young people see and hear in the media helps them to figure out how the world works.

A．Which            B．That              C．What             D．How

_______young people see and hear in the media helps them to figure out how the world works.

______ young people see and hear in the media helps them to figure out how the world works．

_______young people see and hear in the media helps them to figure out how the world works.

1. A.
   Which
2. B.
   That
3. C.
   What
4. D.
   How