Which Statement(s) Is/are TRUE Regarding the Rational Expectations Theory? I

Multiple Choice

Which statement(s) is/are TRUE regarding the rational expectations theory? I. In general, studies support the policy ineffectiveness proposition.
II) Labor markets often exhibit short-term wage stickiness.
III) It does not make the best use of all publicly available information.

A) I only
B) II only
C) III only
D) I, II, and III only