The correct option is A Thyroid cartilage of trachea
The Adam's apple is also called the laryngeal prominence. It is a feature of the human neck and is the lump or protrusion that is formed by the angle of the thyroid cartilage surrounding the larynx. It consists of three hyaline cartilages- the thyroid cartilage, the cricoid cartilage, and the arytenoid cartilage.
Thus, the correct answer is the option B.