If you link the options I can help, I read Night in school. Assuming that's the book you're referring to.
Example: you were talking about rocks and petrified trees, rocks are made out of minerals, but petrified trees are taken over by minerals.
1. Both
2. Either
3. Neither
4. None
5. Whole
Rhetorical devices are used in addition to supporting evidence to help strengthen an argument. Logical fallacies are used as the evidence for an argument and will make it weaker. :D
Answer:
His mother is not acting properly after the death of his father.