填空题
以下程序的输出结果是 【9】 。 # include <stdio.h> main() { int n=12345, d; while(n!=O){ d=n%10; printf("%d",d); n/=10; }
A.1,2,3,0,0,0,0,0,0,0, B.1,2,3,1,2,3,0,0,0,0, C.123,0,0,0,0,123,0,0,0,0, D.1,2,3,0,0,1,2,3,0,0,