One of the Main Differences Between Theories and Hypotheses, Is

One of the main differences between theories and hypotheses, is that

A) theories tend to be broader than hypotheses.
B) theories tend to be internally valid, whereas hypotheses tend to be externally valid.
C) theories use operational definitions, whereas hypotheses do not.
D) hypotheses tend to be broader than theories.
E) theories involve testable "If-Then" statements, whereas hypotheses do not.