It is definitely C because Sokoya means Aunt on Mother's side.
I should be a comma after "not" I believe.
The answer would be C. self-discipline
The last answer I'm not sure of this
D. answers the 5 W's and H.
Who - He
What - Gave penances and absolution
Where - wherever he thought he could get gifts
When - whenever a group receives gifts
Why - to receive absolutions for his sins
How - if a high enough price is given, the penitent person would truly feel sorry for what he had done.