The number corresponding to m is 13. 13 plus 10 equals 23, and 23 is less than 26. The number corresponding to W A is 1 plus 10 equals 1,1less than 26. 5438+0 corresponds to K T, and the corresponding number is 20 20 plus 10 equals 30 30 divided by 26 equals 1, and so on, so the answer is A.