Assign the Appropriate Labels to the Phase Diagram Shown Below

Assign the appropriate labels to the phase diagram shown below.

A) A = liquid, B = solid, C = gas, D = critical point
B) A = gas, B = solid, C = liquid, D = triple point
C) A = gas, B = liquid, C = solid, D = critical point
D) A = solid, B = gas, C = liquid, D = triple point
E) A = liquid, B = gas, C = solid, D = critical point