A、#include <stdio.h> int mian() { printf("programming!\n"); return 0; }
B、#include <stdio.h> void main() { printf("programming!\n"); return 0; }
C、#include <stdio.h> int main(); { printf("programming!\n"); return 0; }
D、#include <stdio.h> int main() { printf("programming!\n"); return 0; }