Teacher Alison has to split 36 of pupils in her class into different groups with equal number of pupils. Not all pupils can be in one group and each group has to have more than one pupils what are the possible numbers of groups that she can form?

A.2,3,4,6
B. 2,3,4,8,9
C.2,3,4,6,9,12,18
D.2,3,4,8,6,9,12,18​