The quote is all about nature, and D is the only one about nature, so I'd say that's the best answer.
1. B
2. A
3. B
4. A
1. there are no directions or set criteria for the assignment
I will defeat you yelled the man too
The adjectives in the sentence are hot and angry.
The correct answer is A. reliable.
The writer was 'an authoritative source' because of her degrees, guest appearances, etc. Thus, she was a source you could rely on, she was reliable, given that she had experience to back her ideas up. Therefore A is the only correct answer.