F
O
G
B
Answer is Wrong!
Answer is Right!
The missing character is B.
The sequence is a simple alternating repetition of the letters A and B. The first letter is A, the second letter is B, the third letter is A, and so on.
Option A is incorrect because it is not in the sequence.
Option B is correct because it is the next letter in the sequence after A.
Option C is incorrect because it is not in the sequence.
Option D is incorrect because it is not in the sequence.