Final answer:
Brenda is facing memory retrieval issues in recalling her roommate's best friend, highlighting the importance of the retrieval stage in memory processes.
Explanation:
Retrieval is the memory stage Brenda is having trouble with. Retrieval involves the ability to access information when needed. In Brenda's case, she is struggling to recall her roommate's best friend's name, indicating difficulty in retrieval.
Learn more about Memory Processes here:
https://brainly.com/question/30654746
