Answer: d) Give them the title to her car.
Explanation:
If they want some collateral then Sydney would have to give them collateral and a car is one of the best known examples of collaterals there is.
Sydney can give them the title of the car which means that if she defaults on the loan, her parents will be able to sell the car to get back the amount that they loaned her. She cannot sell the car until she pays them and she may have to add them as beneficiaries to any car insurance that she may have on the car.
