Ummm I have no idea who Walter even is. Would you like to elaborate??
Renaissance is your answer for this one.
Answer:
C. Scary darkness
Explanation:
Gloom brings a sentiment of melancolia and darkness. Combined with frightening, we have a very unique description. We something must be shadowy and frightening to fit. We have darkness which can substitute gloom in one of its definitions, and scary which certainly substitutes frightening quite well.
No, you don't because it is not a compound sentence.