乙醇拭浴所需的乙醇浓度和温度为
A.15%~25%,17~27℃
B.25%~35%,27~37℃
C.35%~45%,37~47℃
D.45%~55%,47~57℃
E.55%~65%,57~67℃
请帮忙给出正确答案和分析,谢谢!