Using the 36 Possibilities Found in the Product Table for Rolling

Multiple Choice

Using the 36 possibilities found in the product table for rolling two dice, list and count the outcomes for which the sum (for both dice) is the following.
-Multiple of 3

A) (1,3) , (3,1) , (3,3) , (2,3) , (3,2) , (3,4) , (4,3) , (5,3) , (3,5) , (6,3) , (3,6) ; 11
B) (1,2) , (2,1) , (2,4) , (4,2) , (1,5) , (5,1) , (3,3) , (3,6) , (6,3) , (4,5) , (5,4) , (6,6) ; 12
C) (1,2) , (1,5) , (3,3) , (3,6) , (4,5) , (6,6) ; 6
D) (3,3) , (6,6) ; 2