An adverb clause is a group of words that function as an adverb. For example: "Unless you run fast, you will miss your bus." The bold words are part of the adverb clause.
Answer:
Sundays too my father got up early
and put his clothes on in the blueblack cold,
then with cracked hands that ached
from labor in the weekday weather made
banked fires blaze. No one ever thanked him.
I’d wake and hear the cold splintering, breaking.
When the rooms were warm, he’d call,
and slowly I would rise and dress,
fearing the chronic angers of that house,
Speaking indifferently to him,
who had driven out the cold
and polished my good
C. Celebrate is the antonym for grief