有以下程序
# include <stdio.h>
# define N 5
# define M N+1
# define f(x) (x*M)
main()
{ int i1, i2;
i1 = f(2) ;
i2 = f(1+1) ;
printf("%d %d\n", i1, i2);
}
程序的运行结果是
A)12 12
B)11 7
C)11 11
D)12 7