以下四个程序中，完全正确的是______。

A．#include＜stdio.h＞
B．#include＜stdio.h＞ main()； main() {/*programming*/ {/*/programming/*/ printf("programming!\n")；} printf("programming!\n")；}
C．#include＜stdio.h＞
D．include＜stdio.h＞ main() main() {/*/*programming*/*/ {/*programming*/ printf("programming!\n")；} printf("programming!\n")；}