Which of the Following Best Explains the Relationship Among a Theory's

Which of the following best explains the relationship among a theory's concept, constructs, and variables?

A) The concept explains the theory, the constructs are examples of the types of behavior the theory can explain, and the variables are the different factors that can affect the outcome.
B) The concept is the idea from which the theory is developed, the constructs are how the idea is used to explain behavior, and the variables are how the idea is measured.
C) The concept is the underlying psychological basis of the theory, the constructs are the behaviors the concept addresses, and the variables are the factors that determine whether it will be effective.
D) The concept provides an overview of possible explanations for the health related behavior, the constructs are options for addressing the behavior, and the variables are possible factors of influence.