写出下列程序的输出结果是（）。#include int fun(int n){if(n==1)return 1;elsereturn fun(n-1)+1;}void main( ){int i,j=0;for(i=1;i<4;i++)j += fun(i);printf("%d\n", j);}

A. You don't look well.
B. You look quite yourself.
C. You look quite healthy.
D. You look quite happy.

A. Have you gone to the hospital?
B. Do you eat any medicine?
C. Have you had / taken any medicine?
Do you eat any nutritious food?

A. You can use it if you want .
B. You might want to rub some on your temples.
C. You might want to rub some on your body.
D. You would like to apply it.

A. I'll accompany you to the clinic as soon as we arrive at the hotel.
B. I'll go to the clinic as soon as we arrive at the hotel.
C. I'll accompany you to the clinic.
D. I'll bring you to the hospital.