The city of Yiwu is ______ unique attraction to tourists and businessmen at _____ home and abroad as there are various kinds of specialized markets in it.
A.an; /
B.the; the
C.a; /
D./; the
网友回答
C解析考查冠词的用法。a unique attraction泛指一个独特的景点，at home and abroad固定短语：在国内外，所以选C。