Correct option is A
Option (a) is the correct meaning of the given idiom.
A fire in someone’s belly: refers to intense passion, drive, or determination to achieve something. (किसी कार्य को पूरा करने की तीव्र इच्छा या जुनून)
Example: The young athlete had a fire in his belly to win the championship.
At least 3 Other related idioms and their meanings:
·
Burning ambition – a strong desire to achieve something.
·
Raring to go – very eager to begin.
·
On fire – performing with great energy and skill.