To Calculate the Freezing Point of an Ideal Dilute Solution

To calculate the freezing point of an ideal dilute solution of a single,nondissociating solute of a solvent,the minimum information one must know is:

A) the molality (of the solute)
B) the molality (of the solute) and the freezing point depression constant of the solvent
C) the same quantities as in B,plus the freezing point of the pure solvent
D) all of the quantities in C,plus the molecular weight of the solute
E) all of the quantities in C,plus the weight of the solvent