The Vapour Pressure of Toluene at 25^oC Is 3

The vapour pressure of toluene at 25^oC is 3.79 KPa and that of benzene is 12.7 kPa. The vapour above a solution that has mole fraction of benzene = 0.5,

A) has mole fraction toluene in 0.5.
B) has mole fraction of toluene less than 0.5.
C) has mole fraction of toluene greater than 0.5.
D) is pure benzene.
E) is pure toluene.