The correct answer is option B
In the figure above of an axial CT of the neck, arrow B points to the thyroid cartilage.
The thyroid cartilage is a hyaline cartilage located on the neck. It is commonly known as the Adam Apple. The thyroid cartilage is the largest of all the nine cartilages of the larynx. It sits on the larynx and above the thyroid gland.
Arrow A points at the pyriform sinus
Arrow C points at false preepiglottis space
Arrow D points at Aryepiglottic fold.