下⾯C++语句（ ）执⾏后的输出是 __ 0322$$
printf("__ %2d%02d$$", 3, 22)
printf("__ %02d%2d$$", 3, 22)
printf("__ %02d%02d", 3, 22)
printf("____ %02d%02d", 3, 22)