Mr Zhang teaches _____ Chinese. We like _____ class very much.             [ ]

A. me, her              

B. me, his                  

C. us, his

轻度支气管哮喘发作早期的血气变化为（）

A.PaO₂正常、PaCO降低

B.PaO₂升高

C.PaO₂降低

D.PaO₂降低、PaCO₂升高

E.以上均不正确