It should be b. is correct
Successful or necessary because the synonyms for justified are reasonable,give reasons for ,and give grounds for so now I know it is necessary
The Sorrows want the Lucera, the spiritual leader of the shadowshapers, to become one with them and "set them free." And shadowshapers are humans who can put spirits into the things that they create (art, stories, etc.) and make their creations come to life. But that's just about all we learn
The correct answer is C. The dog buried a bone under our porch.
The prepositional phrase is, under our porch.