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.

For a high-quality debt issuer with a large amount of publicly traded debt, bond investors tend to devote most effort to assessing the issuer’s:
Option A:default risk.
Option B:loss severity.
Option C:market liquidity risk.

Answer: A