old man in front of Tom is artist.A. An an B. A the C. The an D. The a

问题补充：

old man in front of Tom is artist.

A. An, an

B. A, the

C. The, an

D. The, a

答案：

A. An, an

B. A, the

(答案→)C. The, an

D. The, a

解析：此题考查冠词的基本用法，the表特指，a/an表泛指，以元音音素开头的单词前加an，辅音音素的单词加a