Answer: Life
Step-by-step explanation:
First, let's review what Life insurance IS: insurance that pays out a sum of money either on the death of the insured person or after a set period.
Since David's mother is killed in an automobile accident and they want to know what type of insurance would provide his family financial support, it would be life because it would pay them out a sim of money on the death of the person (In this scenario David's mother) or after a set period