On feeling the earthquake，the teacher stayed calm in the front of the classroom，________ all the students to rush out of the classroom as quickly as possible.

A．urging

B．hoping

C．advising

D．encouraging

对于项目资本金内部收益率，其判别基准应为( )。

A．行业财务基准收益率

B．银行贷款利率

C．最低可接受收益率

D．行业边际收益率