肺泡与血液的气体交换中,不正确的叙述是( )
A:血液在肺部气体交换后氧气减少
B:二氧化碳从血液扩散到肺泡中
C:氧气到血液中后会与血红蛋白结合
D:氧气从肺泡扩散到血液中
The allowance is only enough to________the most fundamental needs such as food and clothing.