—                ?

— He is short and he has big eyes and a small nose. 

A .Where is the boy from

B. What does the boy look like

C. What class is the boy in

( )是体现招标代理机构服务水平的重要标志。

A．合格的招标人

B．适合的投标人

C．中立的招标监督机构

D．招标文件编制的优劣