Answer:
D) Lien theory
Step-by-step explanation:
Lien theory -
According to this theory , during the term of mortgaging , the buyer holds deed to the property .
And the buyers insures to for all the payments to the lender and the process of mortgaging becomes a lien on the property , but the title is with the buyer only .
The lender's lien is removed as soon as all the payments are done .
Hence , the best state defined in the question is the Lien theory .