Correct option is A
Option (a) is the correct meaning of the given idiom.
Idiom: "Not my cup of tea" — This idiom means something that someone does not enjoy or have interest in. It refers to a personal dislike or disinterest in an activity or subject. (Hindi meaning: किसी की पसंद न होना)
Example: I don’t watch horror movies—they're just not my cup of tea.
Other related idioms and their meanings:
· "Hit the sack" – to go to sleep
· "Break a leg" – good luck
· "Once in a blue moon" – very rarely