单项选择题

A.∑m(0,1,4,5,6,7,8,9,10,11,13,15)
B.∑m(0,1,4,5,6,7,8,9,10,11,14,15)
C. ∑m(0,1,2,4,5,7,8,9,10,11,13,15)
D.∑m(0,1,2,4,5,7,8,9,10,11,14,15)