25. Kate is using a rule to generate her code.

For each letter, she uses the number of its position in the alphabet, doubles this number and then subtracts 3.

For example, B is in position 2 so:

B=2x2-3 = 1

What code will Kate use for FUN?

(A) 6 21 14

(B) 6 36 22

(C)9 37 23

(D) 9 39 25