Which of the following elements is not part of the setting of a story?
a. a character’s nickname
c. the time period
b. the weather
d. the location

A. a character's name

the reason for this is because the setting of the story does not have anything to do with the characters or the name's of the characters in particular. It is the setting of the story, meaning the environment/places where the story happens, where the scenes all play out, etc, etc.

The answer to your question is option a