为了区别CO（可能混有氧气）与CO2两瓶无色气体，下列方法中可行的是 请选择DCBA,_(M-K*f(~7m/}'w2I(^5^3Z.h3g._'T;q5Y
A．伸入燃着的木条(~7m/}'w2I(^5^3Z.h3g._'T;q5Y
B．分别通入少量澄清石灰水，振荡(~7m/}'w2I(^5^3Z.h3g._'T;q5Y
C．分别通入少量NaOH溶液，振荡(~7m/}'w2I(^5^3Z.h3g._'T;q5Y
D．分别通入少量稀硫酸，振荡。(~7m/}'w2I(^5^3Z.h3g._'T;q5Y