Correct option is B
Option (b) is the correct meaning of the given idiom.
Poke one’s nose: To interfere in someone else's matters without being asked. (दूसरों के मामलों में टाँग अड़ाना)
Example: He always pokes his nose into my business, even when I don't ask for help.
Similar idioms:
·
Stick your oar in – to interfere.
·
Butt in – to interrupt or interfere.
·
Cry over spilled milk – to dwell pointlessly on past errors.