Final answer:
The phrase 'do not give a whit' is an expression of complete indifference, meaning that you hardly care at all.
Step-by-step explanation:
When you say you "do not give a whit," it is an idiom that means you do not care at all or are completely indifferent to something. Translating this idiom to the options provided, the most accurate answer would be hardly at all. This phrase indicates that the level of concern or interest is minimal, aligning with the meaning that you do not care even in the slightest degree. When someone says they 'do not give a whit,' it means that they do not care at all or hardly care about something. It indicates a lack of interest or concern. So the correct option in this case would be 4) hardly at all.