I just learned prep. phrases like 3 months ago but i think it is B.
I think the answer A. is a good one. As long as you have the evidence to prove it, it would be A.
A colon is used to explain a enumeration. A enumeration is a complete, ordering listing of all the items in a collection. I searched it up give the credit to Google.
Romanticism: focus on beauty of nature, use of supernatural creatures<span>
realism: focus on social issues, use of everyday characters</span>
