以下定义了复数类 Complex ,有构造函数和显示函数, main 函数定义了...

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以下定义了复数类 Complex ,有构造函数和显示函数, main 函数定义了三个复数对象。 # include class Complex { private: float Real,Image; public: Complex(float r,float i) // 定义有参构造函数 { Real=r; Image=i; } ____ 1 ___ // 定义拷贝构造函数 { Real=c.Real; Image=c.Image; } Complex() // 定义默认构造函数 { Real=0; Image=0; } void Display() { cout< <<"+"< <<"i"<<'\n';} } ; void main(void) { Complex c1(10,5),c2 ; // c1 初始化为 10+5i,c2 为默认值 c1.Display(); c2.Display(); Complex c3(c1) ; // 用拷贝构造函数初始化 c3 为 10+5i c2=c1 ; // 将 c1 赋值给 c2 c2.Display(); c3.Display(); } 1处可以选择下面 ____ 填充。

void Complex(Complex &c)

Complex(Complex &c)

Complex(Complex *c)

Complex(Complex c)

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