Answer:
D. 10 years
Step-by-step explanation:
A mortgage loan is a loan that people use to buy a home and in which the property is used as a collateral. These loans have an important characteristic that is their term. Considering that they tend to be for a big amount of money because of the prices of properties, the most common term that banks offer is 30 years. Also, 20 and 15 years are common. According to this, the term that is not common is 10 years.