It Has Been Suggested That RNA Was the First Informational

It has been suggested that RNA was the first informational molecule to evolve because:

A) RNA molecules are more central to modern inheritance than DNA.
B) RNA molecules can catalyze a variety of biologically important reactions.
C) RNA molecules degrade more slowly in solution than DNA molecules.
D) RNA molecules were the first molecules synthesized by Miller and Urey.
E) RNA molecules have different structures..