Answer:
The Answer is most likely C
The underlined phrases are as follows:
1. Marriage.
2. Time's fool.
3. Bending sickle's compass.
4. Edge of doom.
Their meanings are as follows"
1. Marriage - Union.
2. Time's fool - Subject to the whim of change. Love is not a time's fool means that love is constant for all time, it is not subject to change.
3. Bending sickle's compass - In its range of impacts.
4. Edge of doom - Infinity. Edge of doom means time without end.
Principles
I think principal is not right because it doesn’t look right.
The setting can help a reader understand the theme.