问题详情

Which of the following statements expresses the definition of small business？
A．More than 10% of the nation"s businesses are medium-sized.
B．One of the major requirements of a small business is computer system.
C．The major challenge for small business management is the motivation of the personnel.
D．The one which is self-owned and operated independently and has relatively little impact on its environment.请帮忙给出正确答案和分析，谢谢！