——I have received another message,telling me I have won a big prize.

问题描述:

——I have received another message,telling me I have won a big prize.
——Don't jump on it.You_____________________.
A.should be cheated B.are being cheated C.are cheating D.must have cheated
答案是B项,怎么样排除A项.Don't jump on
前面的回答都不正确,希望得到更好的回答

Don't jump on it 不要跳上去