单项选择题

A.2,1,4,5,2,3,4,3,2,3,4,1
B.2,5,4,3,1,2,3,4,4,3,2,1
C.2,5,1,2,4,3,4,3,3,4,2,1
D.2,5,4,3,4,3,2,1,1,2,3,4