Correct option is A
The correct meaning of the highlighted idiom "in full swing" is "at the height of activity."
- In full swing: This idiom means that something is at its most active or busy stage, with everything proceeding with a lot of energy and enthusiasm.
- Example: The festival celebrations were in full swing by the evening.
Similar Idioms:
- At its peak: Refers to the highest point of activity, intensity, or success.
- Example: The market was at its peak during the holiday season.
- Going strong: This idiom means continuing to be active, energetic, or successful.
- Example: Even after 20 years, their business is still going strong.