We should respect food and think about the people who don’t have_______ we have here and treat food nicely.

A．that

B．which

C．what

D．whether

横向沟通的目的是( )。

A．加强部门间的业务合作

B．加强部门间员工的沟通

C．加强部门间的信息交流

D．加强上下级关系的协调