According to the Empirical Relationship in the Previous Question, Total

According to the empirical relationship in the previous question, total solidification time is proportional to which one of the following quantities:

A) (A/V) ⁿ
B) H_f
C) T_m
D) V
E) V/A
F) (V/A) ²; where A = surface area of casting H_f = heat of fusion T_m = melting temperature and V = volume of casting