Stock character, a character in drama or fiction that represent a type and that is recognizable belonging to a certain genre.
Another definition is a character in literature, theater or film of a type quickly recognized and accepted by the reader or viewer.
A Cliche is defined as the phrase or opinion that is overused and betray a lack of original thought.
The answer is cliché (option B) because is a literary archetypes, consider the characters in commedia dell'arte.
