Which of the Following Statements Is True Regarding,business Format Franchises

Which of the following statements is true regarding,business format franchises?

A) The franchisor provides a system for the franchisee to operate the business.
B) Franchisee operational efficiency is more important than working relationships between franchisors and franchisees
C) The franchisor provides little beyond a license to use its trademarked products.
D) They are most common among automobile and soft drink channels.
E) The details of franchise management are vague enabling franchisees to adapt to changing environmental conditions.