In what way does "Going Solo" serve as a memoir for Roald Dahl?

"Going Solo" serves as a memoir for Roald Dahl by narrating his personal journey during World War II. This work captures Dahl's experiences as a fighter pilot in the Royal Air Force, detailing the events he lived through, the challenges he faced, and the impact those experiences had on him. This memoir not only reveals his courage and determination during a tumultuous period in history but also adds depth to his character, showing how these experiences shaped him as both a person and a writer.

The other options do not align with the central theme of "Going Solo." While it does touch upon his childhood and life after the war, the primary focus is on his wartime experiences, making it a distinct memoir rather than an autobiography or a collection of fictional stories.