The answer is b.btw you need to comprehend
The best answer here is: pitch (3).
pitch is the level at which your voice operates (this can be high or low) and an optimum pitch is the optimum level for your voice.
It is important to stay proffesional because if it is with someone inportant you dont want to make a fool of yourself like if your meeting the family of the person you are dating. You want to make a good inpression of yourself
Annabel Lee is a poem that was written by Edgar Allan Poe, an American Romanticist writer.