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");}