Correct answer choice is :
D) Familiar and commonly used in many stories.
Step-by-step explanation:
A stock character is a stereotypical fictional role in a work of art such as a novel, play, or film, whom viewers acknowledge from various recurrences in a remarkable learned tradition. Stock characters are archetypal characters identified by their flatness. A stock character is an exciting or literary character describing a type in a proper manner and happening in many works.