According to the SCOTUS Opinion in Terry V

According to the SCOTUS opinion in Terry v. Ohio (1968) , involving the stop and frisk of a citizen on the street to investigate a robbery:

A) a stop is conduct outside the purview of the Fourth Amendment, because the action does not rise to the level of a seizure.
B) whenever a police officer accosts an individual and restrains his or her freedom to walk away, he has "seized" that person.
C) a stop is not a serious intrusion upon the sanctity of the person and may be taken lightly.
D) the personal security and privacy of the individual always outweigh the government's interests in detecting crime.