Total vapour pressure of mixture of 1 mol of volatile component A `(P_A^@=100 mm Hg)` and 3 mol of volatile component `B(P_B^@=60 mm Hg)` is 75 mm. For such case

Options

A. there is positive deviation from Raoult's law
B. boiling point has been lowered
C. force of attraction between A and B is smaller than that between A and A or between B and B
D. all the above statement are correct