Select the most appropriate meaning of the given idiom.
Fit as a fiddle

Correct option is A

Option (a) is the correct meaning of the given idiom.
Fit as a fiddle: This idiom means to be in excellent health and physical condition. (बहुत अच्छे स्वास्थ्य में होना)
Example: After his vacation, he looked fit as a fiddle.
Other related idioms and their meanings:
As right as rain – Completely fine or healthy
Full of beans – Very energetic
In the pink of health – In excellent physical condition