Is a 17 year old driver considered of the age of majority in a motor vehicle accident in S.C.?

17 year old driver of moped cited for causing collision with automobile while driving in myrtle beach SC. 17 year old injured (scrapes and bruises), car sustained less than $2000.00 damage. Parent of 17 year old is being told by auto driver's insurance company that the minor is an adult under SC law, therefore, parent not responsible for property damage to other vehicle, but 17 year old personally and solely liable. No insurance coverage of moped available through 17 year old's auto policy or through homeowner's policy of parent of child. 17 year old had just graduated high school, starts college this fall. No financial resources other than those of parent.