Which Statement Regarding the Boiling of a Mixture of Liquids

Multiple Choice

Which statement regarding the boiling of a mixture of liquids A and B is NOT correct?

A) The distillate collected boils at lower temperatures as the percentage of A increases.
B) The distillate always contains a higher percentage of B because pure B is less volatile than pure A.
C) The upper curve reflects the composition of the vapor at a given temperature.
D) As the distillation progresses from point 2 to point 6, the liquid becomes richer in A.
E) The boiling point of pure A is lower than that of pure B.