A series of figures is given which can be grouped into classes. Select the group into which the figures can be classified from the given responses.

A

1,2,3; 4,5,6; 7,8,9

B

1,4,6; 2,7,9; 3,5,8

C

1,3,7; 2,6,9; 4,5,8

D

1,2,4; 3,6,5; 7,8,9