1,2,6,16,44, ()。
A. 100
B. 120
C. 140
D. 160
1,2,6,16,44,()A.66 B.84 C.88 D.120
44 . 0 , 4, 16, 40, 80, ()A .160 B .128 C .136 D .140
1,2,6,16,44,() A.66 B.84 C.88 D.120
1,2,6,16,44,()() A.66 B.84 C.88 D.120
1,2,6,16,44,() A.66 B.84 C.88 D.120
1,2,6,16,44,() A.100B.120C.140D.160