----  I will go to the countryside to see my grandmother this afternoon, so I can't go swimming with you .    

------ ______ .    [ ]

A. It' s my pleasure .      

B. You are welcome .    

C. That 's a pity.        

D. Sure , I am..

对保险标的风险进行查验，以便对其存在的风险进行分类称为（）。

A.验险

B.审核

C.查验

D.审查