问题详情

Small business has some of advantages over those of big business in the field of finance because ______ .
A．financial performance, job creation, new-business formation
B．they can react and adjust themselves more rapidly to the rapid rate of change in products
C．they have trade protection from the government
D．they supply the market demand and contribute to big business请帮忙给出正确答案和分析，谢谢！