. The ancient Chinese vases _______ display attracted lots of experts and collectors, some of whom suggested they______ on the next fair.

The ancient Chinese vases ________ display attracted lots of experts and collectors, some of whom suggested they ________ on the next fair．

1. A.
   on; displayed
2. B.
   on; be displayed
3. C.
   in; displayed
4. D.
   in; be displayed

. The ancient Chinese vases _______ display attracted lots of experts and collectors, some of whom suggested they______ on the next fair.