女性，16岁，咳嗽、少痰5天，不发热，WBC5.7×10/L。肺部无异常体征，X线胸片示右下肺斑片状阴影，经红霉素治疗后好转，可能诊断（）

A.肺炎球菌肺炎

B.金黄色葡萄球菌肺炎

C.肺炎克雷伯杆菌肺炎

D.绿脓杆菌肺炎

E.肺炎支原体肺炎

—Yesterday Jim spent 7 hours in playing computer games; he even didn't do his homework. 

—Don't scold him. ___, he is a child. [ ]

A. After all      

B. At all      

C. In all        

D. Above all