:1,10,31,70,133,()。
A.136 B.186 C.226 D.256
1,10,31,70,133,() A.136;B.186;C.226;D.256
1 10 31 70 133 ()A.136 B.186 C.226 D.256
1,10,3l,70,133,()。 A.136 B.186 C.226 D.256
1,10,31,70,133,()A.136B.186C.226D.256
1,10,31,70,133,()。A.136 B.186 C.226 D.256