31. 嬰幼兒的呼吸道和成人的有哪些不同?
(A) The tongue is larger, the larynx is located higher in the neck
(B) The glottis is sharped differently and angled over the laryngeal inlet
(C) The vocal cords are angled
(D) The narrowest portion is the subglottic region at the level of the cricoid cartilage
(E) 以上皆是