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.

The capital market line (CML) is the graph of the risk and return of portfolio combinations consisting of the risk-free asset and:
Option A:any risky portfolio.
Option B:the market portfolio.
Option C:the leveraged portfolio.

Answer: B