What is the purpose of an Iteration retrospective?

What is the purpose of an Iteration retrospective?
A . To transfer knowledge and improvements to the next iteration.
B. To prioritize stories and concrete tasks for the next iteration.
C. To identify progress and to note encountered impediments.
D. To showcase what the team accomplished in an iteration.

Answer: A

Explanation:

A retrospective is a technique that teams use to reflect on how effective they are and hopefully to identify potential process improvements to experiment with.