One difference between the pharynx and the larynx is that
A. the pharynx contains the vocal cords, the larynx does not.
B. the pharynx is above the epiglottis and the larynx is below it.
C. the pharynx directly connects to the bronchi, the larynx is part of the trachea.
D. only air passes through the pharynx, but both air and food pass through the larynx.