单选题

输入一个实数，对其进行分半，一直到小于0.001为止，输出分半的次数#include <stdio.h>main(){ int i=0;float n;scanf("%f",&n);while(_________){ n=n/2;i++;}printf("%d",i);}

Question

A. n>=0.001

B. n<0.001

C. n<=0.001

D. n!=0.001