According to the Supreme Court Opinion in Terry V

According to the Supreme Court opinion in Terry v.Ohio 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 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 outweighs the government's interests in detecting crime.