Final answer:
An aesthetic impact in literature refers to the emotional or sensory effect that a story has on the reader. The best example of an aesthetic impact from the given options is a twist ending that is meant to shock and disturb the reader.
Step-by-step explanation:
An aesthetic impact in literature refers to the emotional or sensory effect that a story has on the reader. It is the way the author's writing style, imagery, symbolism, or other literary devices create a vivid and impactful experience for the reader.
From the options given, the sentence that best describes an aesthetic impact is option D: The twist ending of the story is meant to shock and disturb the reader. A twist ending is a surprising or unexpected plot twist that creates a strong emotional reaction and leaves a lasting impression on the reader. By aiming to shock and disturb, the author intends to create an aesthetic impact that engages and challenges the reader's expectations.