If 0 < x < 1, which of the following inequalities must be true?

I. x^5 '< ' x^3
II. x^4 + x^5 '<' x^3 + x^2
III. x^4 - x^5 '<' x^2 - x^3

A) None
B) I only
C) II only
D) I and II only
E) I, II and III





Answer : E