旅馆客房与客房之间隔墙空气隔声标准(计权隔声量dB),下列何种正确()
A: 特级≧50,一级≧45,二级≧40,三级≧35
B: 特级≧50,一级≧45,二级≧40,三级≧40
C: 特级≧50,一级≧50,二级≧45,三级≧40
D: 特级≧45,一级≧45,二级≧40,三级≧40
A: 特级≧50,一级≧45,二级≧40,三级≧35
B: 特级≧50,一级≧45,二级≧40,三级≧40
C: 特级≧50,一级≧50,二级≧45,三级≧40
D: 特级≧45,一级≧45,二级≧40,三级≧40