The option that best describes the cause-and-effect structure in a memoir is when the structure focuses on an incident and its consequences.
I would say that the correct option is the third one.
The cause is the incident, and the effect are its consequences.
Answer:
Surrounded by young men in white suits, she shyly began performing the first steps of a vals—a carefully choreographed formal dance. About 300 fascinated guests watched as Negrete's escorts, known as her chambelanes, lifted Negrete high above their heads. They twirled her in a full circle before setting her back down.
Explanation: