What is the customer decision process?

A$.$

Problem recognition, Information search, Alternatives evaluation, Purchase behavior, Post$-$purchase behavior.

B$.$

Defining the research problem, developing the research plan, implementing the research plan, and interpreting and reporting the findings.

C$.$

The art and science of choosing target markets and getting, keeping, and growing customers through creating, delivering, and communicating superior customer value.

D$.$

None of the answers describes the research process.