单选题：The output of this program is ( ).

The output of this program is ( ).
```
#define add(a,b) (a+b)
int main(){
printf("%d\n",5*add(3,4));
return 0;
}
```
@[A](2)

A. 35
B. 19
C. 0
D. Syntax error



A.35
B.19
C.0
D.Syntax error


答案：A