Answer:
They provide examples of how laws and attitudes about equality changed in France.
Explanation:
<span>Science fiction is sometimes divided into "hard" and "soft" science fiction.</span>
I believe the correct answer is D. humorous and informal.
You can see in the excerpt that the narrator is talking about him/herself in a humorous manner by mentioning his/her eccentricities such as 'mismatched socks' etc. The tone is very light and funny, so A, B, and C would be incorrect answers.