It is ball -point pen invented by Hungarian refugee named Lazio Biro. A. a; the

It is ________ball -point pen invented by ______ Hungarian refugee named Lazio Biro.
A. a; the         B. the; a          C. a; a　        D. the; the

试题答案

B　

表特指用定冠词，泛指一类人中的一个用不定冠词。