Answer:

The correct answer is option 'B' - Scotland Yard.

Explanation:

The phrase "He's the bafflement of Scotland Yard" is an idiomatic expression that is often used to describe someone who is extremely difficult to understand, predict, or figure out. It suggests that the person being referred to is a mystery or an enigma to the detectives and investigators at Scotland Yard.

Scotland Yard:

- Scotland Yard is the headquarters of the Metropolitan Police Service (MPS) in London, England. It is one of the most famous police organizations in the world and has a long history of solving complex and high-profile criminal cases.

- The term "Scotland Yard" is often used as a metonym for the MPS or the British police in general. It is named after the street where the original headquarters of the police force was located - Great Scotland Yard.

- Scotland Yard has a reputation for being highly skilled and efficient in solving crimes. It has been depicted in numerous books, movies, and TV shows as a symbol of British law enforcement.

The Bafflement:

- The phrase "the bafflement of Scotland Yard" implies that the person being talked about is so perplexing or puzzling that even the highly trained detectives at Scotland Yard are unable to understand or solve the mystery surrounding them.

- It suggests that the individual's actions, behavior, or motives are so complex and elusive that they defy easy explanation or comprehension.

- This expression is often used in the context of crime fiction or detective stories to describe a particularly elusive criminal or an unsolved case that has stumped the investigators at Scotland Yard.

Conclusion:

In conclusion, the phrase "He's the bafflement of Scotland Yard" signifies that the person being referred to is a source of confusion, bewilderment, or mystery for the detectives and investigators at Scotland Yard. It highlights the person's enigmatic nature and the difficulty in understanding or predicting their actions.