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?(翻译+答案）（好的追加分）
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?
(翻译+答案）
（好的追加分）
答
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