—Where’s Mr. Lin, do you know?

—Well, it's hard to say. But I saw him ______ a football game just now. [ ]

A. was watching    

B. watching  

C. had watched  

D. watched

男性，32岁，与同事饮酒后恶心、呕吐、步态不稳、胡言乱语就诊。体检：神志模糊，双瞳孔直径2mm，呼出气有酒味，BP100/55mmHg，HR138次／分，四肢有自主活动，病理反射（-）。最有助于诊断的检查是（）

A.脑电图（EEG）检查

B.头颅CT检查

C.血糖测定

D.血中或呼出气中乙醇浓度测定

E.脑脊液常规检查