The correct answer is D.
The outputs of this step are certainly a list of risks (choice A) and triggers (choice B). Risk response owners (choice C) are determined in Plan Risk Responses. However, it is an understanding of the risks that is important to be able to qualify and/or quantify them and to plan for them.
Pass PMP in the First Attempt : PMP Strategy
Revise PMP Concepts: PMP Concepts
Quiz:
20 Questions Challenge
50 Questions Challenge