Select the most appropriate meaning of the given idiom
High and mighty.

Correct option is C

Option (c) is the correct meaning of the given idiom.
Idiom: High and mighty – This idiom refers to someone who behaves in a proud, arrogant, or self-important way. (घमंडी, अभिमानी)
Example:
Ever since she got promoted, she’s acting all high and mighty.
Other related idioms and their meanings:
· Put on airs – To behave arrogantly
· Look down one’s nose at – To regard someone as inferior
· To blow one's own trumpet – To boast about oneself