问题如下：
Which of the following is the most appropriate description of loss given default?
选项：
A. Probability that a borrower fails to meet its obligation to make full and timely payments of principal and interest.
B. The percentage of the principal amount recovered in the event of default.
C. Portion of a bond's value (unpaid interest is included) an investor loses if the borrower defaults.
解释：
C is correct.
Loss severity, or loss given default, is the portion of a bond's value (unpaid interest is included) an investor loses if the borrower defaults. A is the definition of default probability, B is the definition of recovery rate.
可以解释下每个选项的意思吗？谢谢～
