题目信息
A certain club has 20 members. What is the ratio of the number of 5-member committees that can be formed from the members of the club to the number of 4-member committees that can be formed from the members of the club?
A:16 to 1
B:15 to 1
C:16 to 5
D:15 to 6
E:5 to 4
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正确答案：
C:16 to 5
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