The correct answer is D. Dark, gloomy forests signal encounters with evil.
Explanation:
In literature, an archetype refers to an object, setting, situation, character, etc. that is considered as "universal" because it is widely used in different literary works to represent same or similar ideas. In the case of the environment, setting or scene these are archetypes if the same settings are used to represent the same situation or feelings.
This occurs in "Dark, gloomy forests signal encounters with evil" because this type of setting or environment is used in different literary genres and different literary works such as novels, short stories or plays and it is universally related to dangerous situations or evil forces such as ghost, monsters, demons, etc. characters encounter in dark, gloomy forests.