In Porter's Strategic Analysis Model, the Purpose of Competitive Analysis

In Porter's strategic analysis model, the purpose of competitive analysis is:

A) To identify the bases of competition in a particular industry.
B) To identify key success factors (KSFs) in a nation or culture.
C) To evaluate whether a company has the internal capabilities to make its strategy a success.
D) To identify competitive opportunities where a company is stronger on KSFs than its competitors.