What Is the Difference Between a Small Business and a Business

What is the difference between a small business and a business owned by an entrepreneur?

A) An entrepreneur's business depends upon the personal involvement of the entrepreneur in the day-to-day management of the business; small businesses may not.
B) An entrepreneur's firm may be of any size,while a small business must be too small to have a significant impact on its environment.
C) An entrepreneur's business must be new,while a small business may have been in existence for any length of time.
D) An entrepreneur's business may be privately or publicly owned; a small business must be privately owned.
E) All of these.