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.

With respect to capital market theory, which of the following asset characteristics is least likely to impact the variance of an investor’s equally weighted portfolio?
Option A:Return on the asset.
Option B:Standard deviation of the asset.
Option C:Covariances of the asset with the other assets in the portfolio.

Answer: A