After the British and French invaders burnt Yuanming Garden in November, 1861, all the former grand palaces were ________．

1. A.
   damaged
2. B.
   ruined
3. C.
   harmed
4. D.
   to be destroyed

After the British and French invaders burnt Yuanming Garden in November, 1861, all the former grand palaces were _____.

A．damaged            B．ruined         C．harmed          D．to be destroyed