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.

As the number of assets in an equally-weighted portfolio increases, the contribution of each individual asset’s variance to the volatility of the portfolio:
Option A:increases.
Option B:decreases.
Option C:remains the same.

Answer: B