What is the purpose of the retrospective held during an Inspect and Adapt event?

What is the purpose of the retrospective held during an Inspect and Adapt event?
A . To learn from PI Planning outcomes
B. To review how value flows through the Agile Release Train
C. To identify the issues to address during the problem-solving workshop
D. To identify improvement Story candidates

Answer: C

Explanation:

In the retrospective phase of Inspect and Adapt, the teams identify all of the problems or process issues they feel should be addressed. Then they narrow the field to a few key issues at either the team or program level.