Which of the Following Statements Related to Market Efficiency Tend

Multiple Choice

Which of the following statements related to market efficiency tend to be supported by current evidence?
I.Markets tend to respond quickly to new information.
II.It is difficult for investors to earn abnormal returns.
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