以下四个程序中,完全正确的是______。
A.#include<stdio.h>
main();
/*programming*/
printf("programming! \n");
B.#include<stdio.h>
main()
/*/programming/*/
printf("programming! \n");
C.#include<stdio.h>
main()
/*/*programming*/*/
printf("programming! \n");
D.include<stdio.h>
main()
/*programming*/
printf("programming! \n");