Select the most appropriate option to fill in the blank.
The city is famous for its ______ architecture, which dates back to the 18ᵗʰ century.

Correct option is A

The correct option to fill in the blank is (a) classical.
"Classical" refers to styles from ancient times or historical periods that are considered traditional and enduring. (Hindi: पारंपरिक / शास्त्रीय)
Example: The museum houses many pieces of classical Roman architecture.
Why other options are incorrect:
· (b) Dystopic – Related to an imagined, unpleasant future. (Hindi: भयावह भविष्य)
· (c) Futuristic – From or relating to the future. (Hindi: भविष्य संबंधी)
· (d) Modern – Refers to recent times, not the 18ᵗʰ century. (Hindi: आधुनिक)