A. An ‘upper lip’ (labrum), lower (ventral) surface of which forms the epipharynx
B. a tongue-like hypopharynx; the jaws (mandibles)
C. The paired maxillae and a ‘lower lip’ (labium).
D. All of these
Submitted by: Shafiq Rehman
Correct Answer: All of these ✔
Last Updated: January 02, 2021