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.

Enterprise value is most often determined as market capitalization of common equity and preferred stock minus the value of cash equivalents plus the:
Option A:book value of debt.
Option B:market value of debt.
Option C:market value of long-term debt.

Answer: B