What is a key characteristic of historical fiction

A key characteristic of historical fiction is D. The stories are presented in a realistic manner.

Explanation:

HIstorical fiction is the term used to refer to a genre of literature, film, etc. that comprises narratives whose settings are located in the past. Although these stories are usually made up, they borrow true characteristics of the time period in which they are set so that the story is presented in a realistic manner.

the krebs cycle and electron transport occur in the mitochondria, though other than that i would need to know more information.

i don't know sorry i cannot read a novel in 30 min.

explanation:

but just in case i think the answer is b.