What will happen when you attempt to compile and run the following code?

What will happen when you attempt to compile and run the following code?
#include using namespace std; #define A 1
int main()
{ #if A cout<<"Hello"; #endif cout<<"world"; return 0; } A. It will print: Helloworld
B. It will print: Hello
C. It will print: world
D. It will print: 0

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