Answer:B. more intense than the competition between different strategic groups.
Explanation: Competition is a rivalry between two or more group of people or organizations or business entities with the sole aim of maintaining a good market share,a good profits etc
Competition can be within a strategic group or between strategic groups. Competition within strategic group is a rivalry that takes place between business entities that produce similar product or who are within an industry,this type is more intense than between strategic groups( Organisations of different industry).