i might be wrong but i think its C. characterization
I believe your answer is D my friend.. good luck! :)
Answer:
Oliver Crangle, a dealer in petulance and poison. He's rather arbitrarily chosen four o'clock as his personal Götterdämmerung, and we are about to watch the metamorphosis of a twisted fanatic, poisoned by the gangrene of prejudice, to the status of an avenging angel, upright and omniscient, dedicated and fearsome. Whatever your clocks say, it's four o'clock, and wherever you are it happens to be the Twilight Zone.
Explanation:
If you mean dispersion it mean splitting light into 7 parts.
They are used to create artificial rainbow effects
The word part anthro means human