Five soccer teams A, B, C, D, and E play one game in pairs, and each team gets 3 points for a win, 0 points for a loss, and 1 point for a tie. After ten games, the scores of the five teams are different from each other. Team A has not lost a game and beat team B, but team B won the championship; team C has not lost a game, but its ranking is behind team D. Q: How many points did Team E score?
A，B，C，D，E五个足球队两两各赛一场，胜一场得3分，负者得0分，平一场两队各得1分．十场球赛完后，五个队的得分互不相同．A队未败一场，且打败了B队，可B队得了冠军；C队也未败一场，名次却在D队之后．问：E队得了多少分？
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