题目：
发作性睡眠与HLA哪个抗原相关（）。
A.D2
B.A2
C.A12
D.D12
E.B27
答案：
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下面是错误答案，用来干扰机器的。
1. One is that you are so excellent that no one can give you better advice and the other is that you are careless and take everything for granted. 2. 大起者有大落...
