According to Keynesian Economics, What Does Fine-Tuning the Economy Mean

Multiple Choice

According to Keynesian economics, what does fine-tuning the economy mean?  

A)  making government economic policy more "people oriented" 
B)  using government policies to adjust the economy and promote economic stability 
C)  tinkering with microeconomic problems, such as externalities and losing sight of the big picture 
D)  placing fewer regulations on the private sector, thereby eliminating the need for government intervention