They found the remains of buildings under the sand，together with a lot of treasures．
A. being buried
B. buried
C. to be buried
D. burying
网友回答
A. being buried
(答案→)B. buried
C. to be buried
D. burying
解析：分词用法。the remains of buildings与bury构成被动关系，所以使用过去分词。句意：他们发现那些建筑废墟和很多珍宝被埋在了沙子下面。