Which of the Following Is Not One of the Four

Which of the following is not one of the four types of mental models?

A) Managers' beliefs about industry environments and how these beliefs influence decisions about business definition and positioning
B) Beliefs about how to compete, and how these beliefs influence decisions about business strategy
C) Understandings about the appropriate scale and scope of the business enterprise, and how these beliefs influence firms' corporate strategies
D) Beliefs about how to organize, and how these mental models influence decisions about organizational structure
E) All of these are mental models listed in the textbook