The Phase Diagram for a Pure Substance Is Given Below $\circ$

The phase diagram for a pure substance is given below.
The substance is stored in a container at 150 atm at 25 ^$\circ$ C.Describe what happens if the container is opened at 25 ^$\circ$ C.

A) The liquid in the container freezes.
B) The solid in the container sublimes.
C) The solid in the container melts.
D) The vapor in the container escapes.
E) The liquid in the container vaporizes.