Multi-select problem: How does the next paragraph end?

How to resign nicely
Prepare your letter of resignation.
This can simply state that you wish to end your employment on a particular date. You need not go into reasons in this letter, but you can include them if you feel it is appropriate.

Options are: (A). Make a copy for your personnel or human resources department. Check to be sure it is formatted professionally. (B). Some examples of reasons you could include are : A short grievance that has caused you stress while at work. A distraction from what you were doing the day before. (C). You can leave your letter this way. If you wish to accept this or any other resignation, do so. (D). For example, you might write : " i thank you for your consideration of this position. I am not leaving my job right now.
(A).