What does fair rely on to build the risk management framework that is unlike many other risk management framework?

What does FAIR rely on to build the risk management framework
that is unlike many other risk management frameworks?

Select one:

a. subjective prioritization of controls

b. risk analysis estimates

c. quantitative valuation of safeguards

d. qualitative assessment of many risk components

d. qualitative assessment of many risk components

It is dependent on various such components that will lead to
effective betterment