. ---Can all the donation really reach those in earthquake-stricken area?

---Hard to say. Even if only 1% can reach them, I am still glad, as the saying goes, “____”.

A．The more, the better

B．Easier said than done

C．Better than never

D．Better than nothing

8个月婴儿，低热、咳喘1天，吃奶时呛咳，哭闹时唇周轻度发绀。查体：体温38℃．精神及面色尚可，呼吸50次／分，节律规整，呼气延长，两肺闻及大量哮鸣音，心率160次／分．心音有力，肝肋下2．5cm。

为明确诊断，应首选下列哪项检查（）

A.进行呼吸道病原检测

B.立即查血气分析

C.摄X线胸片

D.检查肺功能

E.过敏原检测