1.220 students take a percentage-based test (scores are counted in integers), and no more than three students have the same score. Then the minimum number of scores that exactly three students have the same score is ( ).
(A) 17
(B) 18
(C) 19
(D) 20
-,1.B.
Among the scores from $0 \sim 100$, each score is obtained by at least two students, thus totaling 202 students. The remaining 18 students must have distinct scores. Therefore, at least 18 scores are obtained by exactly three students.