烧伤面积的计算按中国九分法，双上肢面积占（）

A.25%

B.30%

C.45%

D.50%

E.60%

A.25%

B.27%

C.30%

D.32%

E.35%

A.11%

B.14%

C.17%

D.20%

A.9％

B.10％

C.12％

D.18％

E.20％

A.2×9%=18%

B.3×9%=27%

C.4×9%=36%

D.5×9%+1%=46%

E.5×9%-1%=44%

A.头、面、颈各3％

B.双上臂为7％

C.躯干为27％

D.双臀为5％

E.双大腿、双小腿、双足为46％

A.18%

B.27%

C.46%

D.9%

E.37%

A.3%

B.5%

C.6%

D.7%

E.13%

A.5%

B.21%

C.13%

D.7%

E.11%