讲义page14上面写的是if the issuer goes into bankruptcy prior to the maturity of the zero coupon bond，the bondholder are only entitled to the AI up to that day and not full face vue of the bond.这里没有提到有issuing price，是不是只有AI可以拿到？
问题如下图：
选项：
A. 
B. 
C. 
D. 
解释：
