Choose the option which best expresses the meaning of the idiom/phrase highlighted in the sentence.
The thief was caught red-handed and apprehended by the police.

Correct option is B

Option (b) in the act of committing the crime is the correct meaning of the idiom caught red-handed.
Caught red-handed: This phrase means to be caught in the act of doing something wrong or illegal, leaving no room for denial.
Example: The shoplifter was caught red-handed trying to steal a wallet.
Other related idioms:
· Caught in the act: To be caught while committing a misdeed.
· Brought to book: To be punished or held accountable for a wrongdoing.
Meanings of the other options:
· (a) with the hands smeared with blood: (हाथ खून से सने हुए) This is a literal interpretation, but not applicable to the idiom.
· (c) after the crime: (अपराध के बाद) Incorrect, as the idiom specifically refers to being caught during the act.
· (d) was caught wrongly: (गलत पकड़ा गया) This is incorrect and not related to the idiom.