Assume that Ginnie Mae sponsored pass through securities have been acquired by another entity (e.g., Freddie Mac) and reissued as a Collateralized Mortgage Obligation or CMO. In a CMO the respective tranches:

A. Promise a different return (coupon) to investors

B. The Ginnie Mae sponsored pass throughs have substantial credit risk which now becomes reissued through the CMO.

C. Carries a different maturity or duration exposure

D. A and C above

E. All of the above