Answer: Activity Theory
Explanation: Activity Theory is best to describe what Professor Shapiro is supporting.
Activity Theory highlighted the benefits of individuals participation in activities, relationships, and pursuits.
More so, this theory asserts that elderly individuals must rightly engage in meaningful activities with others, which will however elicit high level of satisfaction and enjoyment.
The correct option is D.
Public policy refers to the actions that are taken by the government in order to solve a particular problem in the economy. Creating a public policy occurs in stages, the stages include the following: problem identification, policy formulation, policy adoption, policy implementation and policy evaluation. The first step in policy formulation is the identification of a policy plan that is viable.