Question

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

A．a; a

B．the; the

C．the; a

D．a; the

Answer 1

C   

试题分析：句意：在我与这位科学家交谈前，我从未见过像他这样知识丰富的人。前面的scientist是特指的，该用定冠词；后面的person是泛指的，该用不定冠词。所以选C。