The children would be the reflexive pronoun.
A subatomic particle with a positive charge is a proton
C is the answer because tone is the authors attitude and how he portrays the story
The correct answer is B. finally.
She did a couple of things and in the end ended up going home. So, home was her final destination, which is why the appropriate connective is finally. Meanwhile would mean that she went home while she was in the movie theater, which is impossible. First is obviously wrong because she went home last. And next is incorrect too because there was nothing after her going home.
