Correct option is B
The correct idiom for the given situation is
"To take a rain check."
To take a rain check: To politely decline an invitation but imply that you may accept it later.
To take a rain check in Hindi: प्रस्ताव को बाद के लिए स्थगित करना।
Example: I couldn’t join the party today, but I’ll take a rain check.
Other related idioms:
1.
Stand someone up: To fail to meet someone after promising to do so.
·
Example: He stood me up at the coffee shop.
2.
Turn down: To reject or decline something.
·
Example: She turned down the job offer.