The correct answer is B! What the rest of them did wrong was not put two 96's!
B) 2,5=25 2,6=26 2,7=27 5,3=53 5,8=58 6,2=62 6,7=67 6,9=69 9,6=96 9,6=96 12,3=123 25,26,27,53,58,62,67,69,96,96,123