After the boss had read my letter of application, he was ______ that I was the right person for the position.

A．informed

B．convinced

C．presented

D．suggested

《黄帝内经》是（）

A．最早的一部中医典籍

B．创立药物与针灸并用之法

C．开创内伤杂病辨证论治体系

D．我国第一部证候学专著

E．第一部传染病专著