问题
选择题
Duffield White, ______of Russian at Weslevan University, said that he was one of the youngest winners of the prize.
A．professor
B．a professor
C．the professor
D．one professor
答案
答案：A
考查冠词用法。单数可数名词，如果表示头衔或职务，且用作宾补、主补、同位语、表语，其前往往不加冠词。这里是同位语。