In Terms of Autobiographical Memory, to What Does the Phrase

In terms of autobiographical memory, to what does the phrase "reminiscence peak" refer?

A) The more negative the memory, the more likely it is to be remembered.
B) Older adults tend to retrieve a larger number of memories from adolescence and early adulthood than other periods of life.
C) Once people turn a certain age, they start to forget many of the events that happened to them in earlier stages of life.
D) People tend to remember a wide range of "firsts" in recounting their personal experiences.