Based on the thoughts of Keven, we can infer that this is a hasty generalization fallacy.
What is a hasty generalization fallacy?
- Coming to a conclusion about a population based on observations from a very small sample size.
- It is usually false and overblown.
Kevin came to his decision based on the small sample size of his grandparents alone. They are simply too small to account for the millions of older people out there.
In conclusion, option D is correct.
Find out more on hasty generalization at https://brainly.com/question/1580820.
