B). Car ownership made family members less reliant on him.
Explanation:
As per the given details, the author backs the deduction that 'car ownership had made the family members less reliant on him' through demonstrations of the side-effects born by the family without the car. These demonstrations reasonably illustrate and substantiate the conclusion that the ownership of the car has reduced the dependency of the members over him and more on the technology which is reflected when the speaker asserts that 'he would not be able to take the kids school once he sells the car.' Thus, <u>option B</u> is the correct answer.
I believe it would be option A, it states that his father believes that he is a traitor and his tone and language suggests anger and resentment at the fact that his son is joining
