Which of the Following Is the FBI's Definition of Terrorism

Which of the following is the FBI's definition of terrorism?

A) the unlawful use of force and violence against persons or property to intimidate or coerce a government, the civilian population, or any segment thereof, in furtherance of political or social objectives
B) the systematic use of terror or unpredictable violence against governments, publics, or individuals to attain a political objective
C) premeditated, politically motivated violence perpetrated against noncombatant targets by subnational groups or clandestine agents, usually intended to influence an audience
D) the unlawful use, or threatened use, of force or violence by a group or individual based and operating entirely within the United States or its territories without foreign direction committed against persons or property to intimidate or coerce a government, the civilian population, or any segment thereof, in furtherance of political or social objectives