Which of the Following Statements Related to Market Efficiency Tends

Multiple Choice

Which of the following statements related to market efficiency tends to be supported by current evidence?
I.Markets tend to respond quickly to new information.
II.It is difficult for the typical investor to earn above-average returns without taking above-average risks.
III.Short-run prices are difficult to predict accurately based on public information.
IV.Markets are most likely weak form efficient.

A) I and III only
B) II and IV only
C) I and IV only
D) I, III, and IV only
E) I, II, and III only
F) None of the above.