If a and b are non-zero integers, and a/b > 1, then which of the following must be true?
A. a > b
B. 2a > b
C. a^2< b^2
D. ab > b
E. a^3 < b^3
A. a > b
B. 2a > b
C. a^2< b^2
D. ab > b
E. a^3 < b^3