Answer: c.Is allowed because of the ruling determined in the Terry v. Ohio case
Step-by-step explanation:
In the case of Terry v. Ohio, 392 U.S. 1 (1968), a landmark decision was made by a ruling in the Supreme Court of the United States that stated that the Forth Amendment prohibition on unreasonable searches and seizures is NOT VIOLATED when a suspect is stopped and frisked on the street by a policeman with no probable cause to arrest if the policeman BELIEVES that the person has committed, is committing, or is about to commit a crime.
Also applies of the policeman has a reason to belief that the person "may be armed and presently dangerous."