"Unsupported and exaggerated statements" would be something that best characterizes an unreliable narrator, but this is of course somewhat subjective.
First second and the last one
1. Answer is B
2. Answer is B
3. Answer is A
4. Answer is A
TBT #4 gave me some hesitation so maybe verify that answer, but I'm 90% sure A is the correct answer. I guarantee the others are 100% correct.
I believe the answer you're looking for is C, make sure to mark this as brainliest if I helped! <3