In this article, the author details the fact that during sleep, cells involved in learning information tend to A. go dormant.
B. fire in reverse.
C. increase their activity.
D. move to the hippocampus.

answer

the best answer is c

there are no options provided but you can choose among the following gender-neutral pronouns: zir, hir, eir, vis, tem, eir.

in the normal course of maintaining a pronoun-antecedent agreement, we could have used the words his or her but since we are also required to use gender-neutral language, we need to replace it with its equivalent gender-neutral pronoun.