Final answer:
The central point of the article is that the CIA hired magician John Mulholland to instruct spies in the art of magic for espionage purposes. Therefore correct option is B
Step-by-step explanation:
When retelling the article provided, the most important point to mention is that the CIA hired John Mulholland to teach spies magic. This encapsulates the element of espionage and unconventional tactics used by the CIA during the Cold War for intelligence gathering and covert operations. Furthermore, it reflects on the inventive and secretive nature of spy-craft during a period when the risk of espionage was at an all-time high and creativity in intelligence was crucial for national security.