Q. What is the output of the following code in C++?

#include <iostream>
using namespace std;
int main()
{
  int a = 4;
  float b;
  cout << sizeof(++a + b) << endl;
  cout << a;
  return 0;
}

• (A) 5 4
• (B) 4 5
• (C) 4 4
• (D) 2 4