7935. Nowadays, pollution is rampant in all major urban centres.

✅ The correct answer is option D.
Fashionable : characteristic of, influenced by, or representing a current popular style.

Chronic : (of an illness) persisting for a long time or constantly recurring.

Deep-rooted : firmly embedded in thought, behaviour, or culture, and so having a persistent influence.

Widespread found or distributed over a large area or number of people.

Rampant : (especially of something unwelcome) flourishing or spreading unchecked.

Synonym of Rampant is Widespread