If an Officer Has Probable Cause That a Movable Vehicle

If an officer has probable cause that a movable vehicle contains illicit contraband somewhere within it,but is unsure of exactly where,the officer may search

A) the entire vehicle and any unlocked containers within it.
B) the entire vehicle and any containers, locked or unlocked, which are capable of holding the object of the search.
C) the passenger compartment and unlocked glove compartment only.
D) the passenger compartment and trunk but no containers.