Please give a brief self-introduction and an introduction of your market situation,______ that the price in the offer should be reasonable and competitive.
A、concentrating
B、focusing
C、emphasizing
D、attending
【正确答案】：C
【题目解析】：A： concentrate onB： focusing onC： emphasizingD： attention to
四个选项都有集中注意力的意思，但ABD三个选项后面要接介词，因此选择C选项。
