Fact or Fiction?

Nonfiction, or writing based on real events and facts, can be broken down into many categories. One category is literary nonfiction, which is still based in fact but employs some of the storytelling elements that fiction uses; for example, events are often structured around a plot, with key people being treated as characters. Literary nonfiction itself has many subgenres, including a type of autobiography called memoir. Memoir most often focuses on a certain period of the author's life or on a common theme drawn from major life events. Its writing style is often lush and captivating, but memoir is, by definition, rooted in truth. Still, people sometimes question the trustworthiness of memoirs, and they therefore question whether memoirs...

What is the author's main claim or argument?

A. While many memoirs are fact-based, many authors are untrustworthy.
B. The most profitable memoirs are those shown to be the most factual.
C. Memoir is best categorized under the umbrella of literary nonfiction.
D. Memory is too unreliable for memoir to be considered a type of nonfiction.