有以下程序,输出结果是( )。 #include class Complex { public: Complex(double r=0,double i=0):re(r),im(i) {} double real() const {return re;}

题目：有以下程序,输出结果是( )。 #include class Complex { public: Complex(double r=0,double i=0):re(r),im(i) {} double real() const {return re;} double imag() const {return im;} Complex operator+(Complex C. const {return Complex(re+c.re,im+c.im);} private: double re,im; }; void main() { Complex a=Complex(1,1)+Complex(5); cout<

A. 6+1i

B. 6+i

C. 2i+5

D. 1i+5

答案：评论后可见此内容