It made all the Chinese happy _______ China succeeded in sending up ShenzhouⅦ．

A．when             B．which               C．that                D．If

It made all the Chinese happy _______ China succeeded in sending up ShenzhouⅦ．

A．when             B．which               C．that                D．If

It made all the Chinese happy _______ China succeeded in sending up ShenzhouⅦ．

1. A.
   when
2. B.
   which
3. C.
   that
4. D.
   If