Which If the Following Is an Example of a Pragmatic

Which if the following is an example of a pragmatic solution to the problem of air pollution?

A) Limiting pollution because it improves air quality according to environmental policy experts
B) A liberal politician favoring regulation of manufacturers in the hopes that it will improve air quality
C) A conservative politician favoring reducing regulations in hopes of improving the economy
D) A belief that the market will protect air quality because of competition among manufacturers