Correct option is B
Option (b) is the correct meaning of the given idiom.
Hit the nail on the head: To say exactly the right thing; to be precisely correct. (सटीक बात कहना)
Example: When she said we need better planning, she hit the nail on the head.
Other related idioms and their meanings:
·
Speak volumes – to express a lot without words.
·
Get to the point – to speak directly and clearly.
·
Call a spade a spade – to speak the truth bluntly.