Debra Buys Land from Oscar,relying Upon a Mortgage Release Executed

Multiple Choice

Debra buys land from Oscar,relying upon a mortgage release executed and recorded by the mortgagee,Keith.Keith,however,had previously assigned the mortgage to Andrew who failed to have the assignment recorded.In this case,Andrew has:

A) no claim against the property in the absence of Debra's actual knowledge of the assignment by Keith.
B) no claim against the property because a mortgagee has no right to assign the mortgage to another person.
C) a claim against the property because the assignment to him took place before Debra's purchase of the land.
D) a claim against the property because recording is not necessary to the effectiveness of a mortgage assignment.