Rank the Following from Highest Average Historical Standard Deviation to Lowest

Multiple Choice

Rank the following from highest average historical standard deviation to lowest average historical standard deviation from 1926-2008.
I.Small stocks
II.Long term bonds
III.Large stocks
IV.T-bills

A) I, II, III, IV
B) III, IV, II, I
C) I, III, II, IV
D) III, I, II, IV