Which of the Following Is a Correct Statement

Multiple Choice

Which of the following is a correct statement?

A) Economic concepts or laws that are valid during recessions are necessarily valid during prosperity.
B) Although they are generalizations, economic laws are useful because they allow us to predict and therefore influence or adjust to events.
C) Economists use the scientific method. Therefore, economic laws are as quantitatively precise as the laws of physics or chemistry.
D) Because economics is primarily concerned with questions of "ought," it is a branch of applied ethics and not scientific.