Most of the choices appear to be ones that you are familier with, but after taking second look, you will find that they are different.
A. /; the
B. the; the
C. the; a
D. /; a
网友回答
A. /; the
B. the; the
(答案→)C. the; a
D. /; a
解析：此题考查冠词的基本用法，the是定冠词，表示特指；a/an表示泛指。