Read the following context and choose the best option to answer the question.
Context: My EX- husband had taken out a second lien on a vehicle to pay for a dentist bill for my son a few years back , I paid the vehicle off , and found out that he had not made the first payment on the money he borrowed . We have been divorced for 3 years . I called him & he said " could n't help you " . So I paid the 1500 dollars before they came & got the vehicle .
Question: Why did the husband take out a lien on the vehicle ?
Options: 
A. He needed $ 1500 so they would not come and take away the vehicle .
B. He needed the money to pay for a dentist bill several years ago .
C. He needed to use it to get a divorce 3 years ago .
D. None of the above choices .


B