Marissa Walton is a 6-year-old girl with full-thickness burns involving both lower legs, circumferentially, excluding her feet, over less than 2% of her body surface area (BSA) and partial-thickness burns over less than 15% of her BSA, after her clothes caught fire during a camping trip when she stepped into the campfire. Based on the American Burn Association and the "Rule of Nines" classifications, Marissa's burns would be classified as ______________ with a burn surface area percentage of approximately ______________.
A)minor; 17%
B)moderate; 17%
C)minor; 9%
D)major; 18%