Correct Answer:
C. Bold
Explanation:
'Impudent' is an English adjective used to characterize someone who fails to show proper respect to others, exhibiting an offensive boldness.
### Important Facts:
- Definition: Shameless, boldly disrespectful, or impertinent.
- Synonyms: Bold, insolent, cheeky, presumptuous, brazen.
- Antonyms: Modest, polite, humble.