The average price of commercial houses in our city has reduced by _____ 30 percent ,so we can buy one at _____ low price .

A．the; the

B． the; /

C． /; a

D．/; the

董事长是公司的法定代表人，根据需要，董事长可以修改公司司章程，以适应公司在市场竞争的需要。