You can spend your free time in our library.There is a reading room more than 600 student

问题补充：

You can spend your free time in our library.There is a reading room more than 600 students.

A. seats

B. to be seated

C. seated

D. seating

答案：

A. seats

B. to be seated

C. seated

(答案→)D. seating

解析：D考察非谓语动词。句义：在闲暇时间，你可以和我们在图书馆里度过，那里又一件能够容纳600人的阅览室。Room和seat之间构成主动关系，所以D正确。