问题
单项选择题
Which of the following statements regarding mortgage-backed securities (MBS) and collateralized mortgage obligations (CMOs) is most likely correct（）
A. MBS are created from CMOs.
B. Creating CMOs does not reduce the overall prepayment risk of a mortgage pass through security.
C. The prepayment option of an MBS benefits the security holder.
答案
参考答案：B
解析：
Creating a CMO can redistribute the prepayment risk among the tranches, but it does not alter the overall prepayment risk of a mortgage passthrough security. CMOs are created from MBS.