请指出下面程序中不合理的地方。Class A{public:A（void) : m_nVar2（m_nVar1), m_nVar1（0), m_cV

Class A

{

public:

A(void) : m_nVar2(m_nVar1), m_nVar1(0), m_cVar3(0)

{

m_cVar3 =3;

}

protected:

int m_nVar1;

int m_nVar2;

const int m_cVar3;

};