Your Answer is

Correct Answer is F

Explanation

The first digit of the 6-digit code can only be A, the second digit can only be H, and the last 4 digits are numbers between 0-9 and can be repeated, so there is only one possibility for the first digit, and the second digit There is only one possibility, the third place has 10 possibilities, the fourth place has 10 possibilities, the fifth place has 10 possibilities, and the sixth place has 10 possibilities, so choose F