From his _____look , we could see that he hadn’t expected that we could raise such ______

questions to him.

A．confusing; confusing

B．confused; confused

C．confusing; confused

D．confused; confusing

男婴1月，气急，唇周轻度发绀，胸片发现左胸有较多空泡状病变，为进一步明确诊断，首选下列何种检查（）

A.X线胸透

B.胸部CT

C.经胃管注入钡剂

D.MRI

E.胃镜检查