How Does a First Strike Compare with a Second Strike

How does a first strike compare with a second strike?

A) A first strike is the basis of mutually assured destruction,whereas a second strike is the basis of nuclear utilization theory.
B) A first strike is an attack intended to destroy a state's nuclear weapons before they can be used,whereas a second strike means that a state can retaliate even after sustaining a nuclear attack.
C) A first strike entails launching a conventional attack before using nuclear weapons,whereas a second strike uses nuclear weapons first.
D) A first strike is an attack against civilian targets,whereas a second strike is an attack against military targets.