— Can you come to the party tonight?

— Sorry,I can't.________ the boss about something urgent. [ ]

A. I see    

B. I can see

C. I'll be seeing    

D. I shall have seen

在下面的类定义中，横线处应填入的内容是 class Fred { public:void print () { cout＜＜data＜＜end1;}void setData (double D) {data=d;static int count; private: double data; };______count=0;//静态数据成员的定义

A．int

B．static int

C．int Fred::

D．static int Fred::