The "Totality of the Circumstances" Test

The "totality of the circumstances" test:

A) Is the modern test for evaluating whether the police may rely on an informant's report to establish probable cause
B) Permits law enforcement officers to rely on the hearsay report of an informant so long as the officer can meet two "commonsense conditions"
C) Modified the Aguilar-Spinelli test established in Aguilar v. Texas
D) All of the above