Final answer:
The best example of an archetype among the given options is a grandmother who suddenly becomes a hero.
Step-by-step explanation:
The best example of an archetype among the given options would be C. A grandmother who suddenly becomes a hero. Archetypes are universal symbols or patterns that are found in literature, art, and folklore, representing recurring themes or character types. The archetype of a grandmother who suddenly becomes a hero is commonly seen in stories, where the character defies expectations and displays unexpected bravery and resourcefulness.
Learn more about Archetypes in literature