The Structure of a CMBS Transaction Is the Same as in a Nonagency

The structure of a CMBS transaction is the same as in a nonagency RMBS ________.

A) in that most structures have a sing bond class (tranch) with the same rating, and there are regulations for the distribution of interest and principal to the bond class.
B) in that most structures have multiple bond classes (tranches) with the same ratings, and there are rules for the distribution of interest and principal to the bond classes.
C) in that most structures have multiple bond classes (tranches) with different ratings, but there are no regulations for the distribution of interest and principal to the bond classes.
D) in that most structures have multiple bond classes (tranches) with different ratings, and there are rules for the distribution of interest and principal to the bond classes.