Which of the Following Statements Is a Drawback of Porter's

Multiple Choice

Which of the following statements is a drawback of Porter's 5-forces model?

A) It cannot be used to evaluate the structural components of an industry.
B) This tool is particularly not useful in helping managers decide where to focus.
C) Evaluating the attractiveness of industries and developing business-level strategy is seldom possible.
D) The 5-forces model typically looks at an industry at one point in time.