The Following Questions Refer to the Phase Diagram Below

The following questions refer to the phase diagram below. Gas, liquid, and solid phases are all present, but not labeled.
-At the temperature and pressure of point e, which statement below is true?

A) The substance will sublime.
B) There will be an equilibrium between the solid phase and the gaseous phase.
C) Vaporization and deposition will take place simultaneously.
D) Melting and freezing will take place simultaneously.
E) Melting and vaporization will take place simultaneously.