Answer:
D. 
Step-by-step explanation:
I assume this is your problem:

If so, then this is the solution.




yeah i guess you re right sorry for making confusion
So 12 members
they have 3 slots
assuming they choose from the group of 12 members
12 choices for the first slot
2nd slot: 1 is taken so 12-1=11 choices for the second
3rd slot: 2 are taken so 12-2=10 choices for te 3rd
answer is 12 times 11 times 10=1320=B
the answer is B