Explanation
The BA needs to take into account the size and complexity of the change when deciding how to structure the information. This means that the BA should consider how the change will affect the scope, scale, and interdependencies of the solution and its components. The BA should also consider how the change will impact the stakeholders, their needs, expectations, and preferences. The BA should structure the information in a way that is appropriate, relevant, and understandable for the change.
The other options are incorrect because:
Option A is incorrect because the level of experience with the repository tool is not a factor that the BA needs to take into account when deciding how to structure the information. The repository tool is a tool that enables storing, organizing, and retrieving information. The level of experience with the repository tool may affect how the BA uses the tool, but not how the BA structures the information.
Option B is incorrect because the number of stakeholders to be consulted is not a factor that the BA needs to take into account when deciding how to structure the information. The number of stakeholders to be consulted may affect how the BA elicits, communicates, and manages information, but not how the BA structures the information.
Option D is incorrect because the governance and engagement approach to be used is not a factor that the BA needs to take into account when deciding how to structure the information. The governance and engagement approach to be used may affect how the BA plans, monitors, and controls information, but not how the BA structures the information.
References:
BABOK Guide v3, section 4.5: Requirements Architecture
CCBA Exam Questions, question 17