If the code for 'CAT' is 12, 15, 18 and the code for 'DOG' is 14, 16, 20, what is the code for 'BAT'?

Answer: A. 10, 12, 14
The pattern suggests that each letter is coded by adding 2 to the previous letter's code. 'B' is coded as 10, 'A' as 12, and 'T' as 14.