Final answer:
Document open issues is the activity that does not belong to the preparation phase for requirements elicitation in a project; it is part of the follow-up activities after the elicitation process.
Step-by-step explanation:
The student asked which activity does NOT belong to the preparation for elicitation when conducting requirements elicitation in a project. The correct answer is C. Document open issues. This activity is typically done after the elicitation process rather than during the preparation phase. During preparation, one would focus on activities such as A. Prepare questions and straw man models, B. Prepare resources, and D. Decide on elicitation scope and agenda. These are all essential steps for setting up a successful elicitation session. Documenting open issues is a part of the follow-up process, where any unresolved questions or discovered gaps are recorded for future resolution.