—What’s that building?

—       the medical equipment is stored.

A．There’s in which

B．That’s where

C．The building that

D．That’s the building which

人类社会实践活动有多种形式，其中首要的和基本的形式是( )。

A．精神活动
B．宗教活动
C．物质生产活动
D．政治活动