He is too young to walk home alone to an apartment. He is too young to be home alone by himself. He spends too much time alone & could get into trouble, because at that age he does not have the life experiences to know right from wrong or good from evil. Something could happen to him from the time he gets out of school and when his mom finally gets home, and no one would even know about it. He has a poor diet & a poor roll model. He will have many health issues in his future. He may also feel isolated & alone.
C. "While you finish your chores," said my older brother, "I will help fix your video game."
There there needs to be the comma inside of the quotation marks at the end of the sentence, yet the comma outside of the quotation marks when it is at the beginning of the phrase. There should also be quotation marks in front of the next quotation.