A Special Purpose Vehicle (SPV) Is Best Described As

A special purpose vehicle (SPV) is best described as:

A) A separate company that buys pooled mortgages from banks so that it can sell bonds off of the pool's expected cash flows
B) A separate accounting structure within the bank that buys pooled mortgages from the other side of the bank so that it can sell bonds off of the pool's expected cash flows
C) A new type of security that allows multiple junk bonds to underline a new investment grade asset
D) A form of asset securitization involving different equity tranches
E) None of the above