Final answer:
Private services offering protection to celebrities are called security agencies, and the professionals responsible for the safety of individuals are known as bodyguards. The correct option is a.
Step-by-step explanation:
Private services that provide protection to celebrities are commonly referred to as security agencies. These organizations are hired to ensure the safety of high-profile individuals, like celebrities, from potential threats or unwanted attention.
The people who work for these agencies and are directly responsible for the protection of individuals are known as bodyguards or personal security officers.
While the term Paparazzi refers to photographers who take candid photos of celebrities, and Celebrity guardians or Bodyguards Inc. might sound relevant, they are not commonly used industry terms for such services.
Hence, Option a is correct.