In the Case of Wilson V Arkansas (1995),what Did the Court

In the case of Wilson v Arkansas (1995) ,what did the court decide?

A) The police can never enter a home to execute a warrant without knocking first.
B) Searches of automobiles did not require probable cause because of the "mobility factor."
C) Officers can only "pat" someone down,and the pat-down can only be for weapons.
D) The issue of allowing police to enter without knocking was reasonable but the state courts were remanded to determine reasonableness for the use of a "no-knock" entry.