(单选题)6: 下列程序的运行结果为_________。#include <iostream.h>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; void print(double a)      {              cout<<++a;      }      void print(int a，int b)      {           cout<<b<<a;      }      void main()      {          print(1.2);          cout<<” ”;          print(3,4);      }

A: 1.2 34

B: 2.2 34

C: 1.2 43

D: 2.2 43

正确答案:♦D♦