Explanation
Decision analysis is used to rate available methodologies against organizational needs and objectives. Answer:
D is incorrect. Process modeling is used to define and document the business analysis approach. Answer A is incorrect. Structured walkthrough is used as a means of validating a created, selected, or tailored business analysis approach.
Answer B is incorrect. Progressive elaboration describes the process of providing more and more information through incremental details. It is a form of deductive reasoning to go from a very broad set of requirements to the exact details on the requirements.

Explanation/Reference:
A structured walkthrough should begin with a review of the requirements to be discussed in the session.
C is incorrect. An agenda is often necessary, but it's not the best answer for this question.
A is incorrect. The business case isn't needed for review during a structured walkthrough of the
requirements.
D is incorrect. The identification of the objectives and goals isn't appropriate at this meeting.

Change-driven approaches to business analysis deal with rapid delivery of the business value. The business value is delivered in short iterations in return for acceptance of a higher degree of uncertainty regarding the overall delivery of the solution. The change-driven approaches are preferred while taking an exploratory approach for incremental improvement of an existing solution.
Answer C is incorrect. The plan-driven approach defines business analysis activities. This approach is used to focus on minimizing up-front uncertainty and to ensure that the solution is fully defined before implementation begins in order to maximize control and minimize risk. It is preferred when requirements are effectively defined in advance of implementation.
Answer A is incorrect. The quality-driven approach is not a valid defined approach to business analysis activities.
Answer D is incorrect. This is not a valid defined approach for the CCBA examination.