问题
单项选择题
Some of the low-end Made-in-China mechanical-electronic products are not selling well in export market as compared with what are termed as high-end ones.()
A. on export market
B. in exporting market
C. in exported market
D. in the export market
答案
参考答案：D
解析：
冠词应用。
in the market“在市场上”，句子中多了一个名词export修饰market因此，定冠词应保留。