求PREP-PS-2-112 思路

112.
                11750-!-item-!-187;#058&008431

For a certain race, 3 teams were allowed to enter 3 members each.  A team earned 6 - n points whenever one of its members finished in nth place, where 1 <= n <= 5.  There were no ties, disqualifications, or withdrawals.  If no team earned more than 6 points, what is the least possible score a team could have earned?

(A) 0

(B) 1

(C) 2

(D) 3

(E) 4

又是一道傻眼题,求思路....