Question

Which themes distinguish literature written in the realist era from earlier literature? A. everyday life and common subjects

B. tragedy and extreme circumstances
C. unusual and terrifying themes
D. adventurous and fantastical episodes

Answer 1

I would say A) everyday life & common subjects.

Answer 2

the theme would be A. . everyday life and common subjects
Artists and writers during realist era love to create something that represent a certain situation truthfully, without adding any false/extreme narrative to attract attention or any supernatural element.
So, most of their works revolves around everyday life and the problems that normal people experience.