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; }