In an English exam,student A,B,C and D were in the first four places.After the exam,A said,"I won't be the forth place."

问题描述:

In an English exam,student A,B,C and D were in the first four places.After the exam,A said,"I won't be the forth place." B said,"I am second,"C said ,"I am in the place before A." D said,"I am two more places ahead of C." But only one of then was wrong.Can you work out their results?
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(好的追加分)

在一次英语考试中,ABCD四位同学都在自己起初的名次,考试过后,A说:“我不是第四.”B说:“我是第二.”C说:“我在A前面”D说:“我比C至少多两个名次.”他们中间有一个是错的.你能找出来吗?答案D