Scabies is a type of A.) parasitic infection
I believe the correct answer is D. It builds a sense of anticipation and mystery.
This is the moment when Lady of Shalott is about to make her fatal transgression and activate the curse. She is never supposed to look directly outside the window. Yet, here she is very intrigued by what she thinks is there - the young and handsome knight Lancelot.
D. Buddy is confrontational and Ruff is co-operative