Two letters in the given letter series are in brackets. Which of the given bracketed letters are correct?D, Y, F, W, (H), U, J, (T), L

• A. The first bracketed letter is correct but second bracketed letter is incorrect.
• B. The first bracketed letter is incorrect but second bracketed letter is correct.
• C. Both the bracketed letters are incorrect.
• D. Both the bracketed letters are correct.