Which of the Following Best Defines Monte Carlo Simulation

Which of the following best defines Monte Carlo simulation?

A) It is a tool for building statistical models that characterize relationships among a dependent variable and one or more independent variables.
B) It is a collection of techniques that seeks to group or segment a collection of objects into subsets.
C) It is the process of selecting values of decision variables that minimizes or maximizes some quantity of interest.
D) It is the process of generating random values for uncertain inputs in a model and computing the output variables of interest.