About the walls of the tympanic cavity, which of the following descriptions are correct?
A.The superior wall (tegmental wall) seperates the middle cranial fossa from the tympanic cavity. B.The anterior wall (carotid wall) presents the vestibulr window. C.The inferior wall (jugular wall) separates the tympanic cavity from the internal jugular vein. D.The posterior wall (mastoid wall) presents the cone of light (光锥). E.The medial wall (labyrinthine wall ) presente the tympanic promontory (鼓岬).正确答案ACE