Before I talked with scientist I had never met clever person like him.A. the aB. a a

问题补充：

Before I talked with scientist, I had never met clever person like him.

A. the , a

B. a, a

C. the, the

D. a , the

答案：

(答案→)A. the , a

B. a, a

C. the, the

D. a , the

解析：此题考查冠词的基本用法，不定冠词表示泛指，定冠词表示特指。