Select the most appropriate synonym of the highlighted word.
Demand for water is also rapidly rising due to population growth, urbanisation and increasing pressures from the agriculture and energy sector.

Correct option is A

The correct synonym of the given word is promptly.
Rapidly: Happening very fast or quickly (तेज़ी से)
Example: Prices are rapidly increasing due to inflation.
Promptly: Without delay; quickly (शीघ्रता से)
Example: The fire brigade responded promptly to the emergency.
Synonyms: swiftly, quickly, promptly, speedily.
Antonyms: slowly, gradually, leisurely.
Meanings of other options:
· Luxuriously: In a rich and comfortable manner (आरामदायक ढंग से)
· Leisurely: Unhurried, relaxed (आराम से)
· Hopefully: With hope (आशा के साथ)