Which of the Following Is a True Statement About Searches

Which of the following is a true statement about searches of a companion of an arrested person?

A) All courts allow an immediate frisk for weapons of the arrestee's companions without any further justification.
B) Some courts follow the automatic companion rule, whereas other states require reasonable suspicion that the companion is armed and dangerous.
C) Some courts follow the automatic companion rule, whereas other states require probable cause that the companion is armed and dangerous.
D) States that require a level of suspicion justifying a search of a companion have established a precise test for establishing suspicion.