Final answer:
The controversy surrounding choke holds, carotid holds, and neck restraints arose due to a series of high-profile incidents involving law enforcement.
Step-by-step explanation:
Choke holds, carotid holds, and neck restraints became a source of controversy after A) A series of high-profile incidents involving law enforcement. The shooting deaths of unarmed African American men by police officers raised concerns about racial issues and policing practices in the United States. These incidents drew attention to the use of choke holds and other neck restraints by law enforcement, leading to debates about their appropriateness and potential harm.