A.
thyroid cartilage; epiglottis cartilage; cricoid cartilage
B.
thyroid cartilage; arytenoid cartilage; epiglottis cartilage
C.
cricoid cartilage; epiglottis cartilage; arytenoid cartilage
D.
thyroid cartilage; cricoid cartilage; epiglottis cartilage; arytenoid cartilage