NO.PZ2024042601000133
问题如下：
In reviewing the risk of the mortgage products held on the bank’s balance sheet, the risk group starts by re-categorizing the various products held on the books. What distinguishes pass-through mortgage backed securities (MBS) from collateralized mortgage obligations (CMOs)?
选项：
A.pass-through MBS can only be issued by government agencies and CMOs can be issued by government agencies and private issuers. B.pass-through MBS can be issued by government agencies and private issuers and COMs can only be issued by government agencies. C.all investors in pass-through MBS are exposed to prepayment risk equally and in a CMO the prepayment risk may differ among the investor. D.all investors in a CMO are exposed to prepayment risk equally and in a pass-through MBS the prepayment risk may differ among the investors.解释：
MBS和CMO到底只能政府发行还是什么？请讲解一下
