单项选择题

已知全集U={0,1,2,3,4,5,6,7,8},集合M={0,1,2,3,5,6,7},集合N={0,2,4,5,6},则

A.{1,2,3,5,6}
B.{2,4,7}
C.{1,3,4,7,8}
D.{7,8}