Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

A unique feature of hedge fund indexes is that they:
Option A:are frequently equal weighted.
Option B:are determined by the constituents of the index.
Option C:reflect the value of private rather than public investments.

Answer: B