A.头颈部9% B.双上肢18% C.躯干27% D.双臀部6% E.双下肢46%

　　xew-7-01-015.成人头颈部和双上臂烧伤，按新九分法计算，烧伤面积应为

　　A.12% B.16% C.18% D.20% E.25%