问题如下：
Which of the following events would likely lead to an increase in WWR?
I. The borrower and the guarantor are business partners.
II. A monoline insurer sold protection concentrated in a business or industry.
选项： A. I only.
B. II only.
C. Both I and II.
D. Neither I nor II.
解释：
C WWR will increase if the borrower and guarantor are business partners. The guarantees offered by a monoline insurer may turn out to be worthless if the risk exposure increases and the guarantor is hit by a flood of claims due to a concentrated position in an industry or business.
II项能不能理解成CDS的意思？
