- John,you have never been to the great wall since you came

- John,you have never been to the great wall since you came to china,i am afraid.
-_____
a,yes ,never ,how about you?b,no,but how i wish to
c,yes,but i'd like to as soon as possible
原句意思是：恐怕自你来中国还没去过长城吧!我觉得应选含yes 的,意思是 是的,没去.若选no,就代表不,已经去过了