-Have you ever seen a dictionary our school library?-- Yes it is over there and M

问题补充：

---- Have you ever seen a dictionary our school library?

---- Yes, it is over there and Mary is using it.

A. belonging to

B. belonged to

C. being belonged to

D. belong to

答案：

(答案→)A. belonging to

B. belonged to

C. being belonged to

D. belong to

解析：考查非谓语动词.句意:你曾经看到过一本属于我们学校图书馆的词典吗？现在分词作定语表示正在发生的伴随性动作，词典属于校图书馆是伴随性状态，故选A。