问题：
[单选题]已知f1(int)是类A的公有成员函数,p是指向成员函数f1的指针,采用赋值,( ) 是正确的。
A、p= f1
B、p=A::f1
C、p=A::f1( )
D、p=f1( )
参考答案：
B
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