A . 46
B . 66
C . 68
D . 69
[试题]2,6,13,39,15,45,23,()A.46;B.66;C.68;D.69
[单选题]2,6,13,39,15,45,23,( )。A.46B.66C.68D.69
[单选题]2,6,13,39,15,45,23,( )。A.46B.66C.68D.69
[单选题]2,6,13,39,15,45,23,( )。A.46B.66C.68D.69
[单选题]2,6,13,39,15,45,23,( )。A.46B.66C.68D.69
[单选题]2,6,13,39,15,45,23,( )。A.46B.66C.68D.69
[单选题]2,6,13,39,15,45,23,( )。A.46B.66C.68D.69
[单选题]2,6,13,39,15,45,23,( )。A.46B.66C.68D.69
[单选题]2,6,13,39,15,45,23,( )。A.46B.66C.68D.69
[单选题]2,6,13,39,15,45,23,( )。A.46B.66C.68D.69