There is not a valid answer choice, but go with sentence 3 because C is always right
1 Repent
2 Excavation/Crude
3Conclusively
4Worship
5gather
6 contemporary
7Remains/rodent
8 lurking
9decimated
10grim
11in the air
12carving
It would be: Personification
Giving non-human things human characteristics. like the fog is "rolling" down the hill.
Hope it helps!