Each basketball player has a number on a number on his polo

Each basketball player has a number on a number on his polo shirt.Which three numbers never appear
on the basketball players' shirts?
此为百度翻译答案：
每个篮球球员对他的球衣号码的号码.这三个数字从来没有出现在篮球运动员的衬衫吗?
本人理解为：每个篮球球员都有他的球衣号码的号码,哪三个数字从来没有出现在篮球运动员的衬衫上?
以下为选项：
A.1,2,3,B.2,3,4 C.3,4,5 D.4,5,6