Which of the Following Is the Best Example of a Hypothesis

Which of the following is the best example of a hypothesis?

A) An observation that men tend to walk faster in pairs than when alone.
B) The idea that judgments are driven more by emotion than by conscious reasoning.
C) The belief that people rationalize unfairness in order to avoid cognitive dissonance.
D) A prediction that women will score higher on a test of verbal ability than men.