—I’d like dress. What about blue one?—Try it on.A. a; theB. a; a C. the; the D. the; a

—I’d like dress. What about blue one?
—Try it on.
A. a; the
B. a; a
C. the; the
D. the; a

(答案→)A. a; theB. a; a C. the; the D. the; a解析：A 泛指一条裙子用不定冠词a，特指时用定冠词the。“我想要一条连衣裙，那条蓝色的怎样？”，故选A。

我明天再问问老师，叫他解释下这个问题