单项选择题
A.重度烧伤 B.轻度烧伤 C.中度烧伤 D.特重度烧伤 E.中、重度烧伤
A.33% B.19% C.30 D.40% E.15%
A.(12+年龄)% B.年龄数% C.10% D.(12-年龄)% E.1/2