Question

What is an allusion?

the part of a story that explains the story's problem

the part of a story that shows how problems were solved

something in a story that relates to a well-known older story

something in a story that makes it scary and suspenseful

Answer 1

C. Something in a story that relates to a well-known older story

The definition of the word "allusion" is "an expression to call something to mind without mentioning it explicitly" - C is the only option that matches up with that definition.