Read this excerpt from an essay about television:

"The impact of this medium reached far beyond economics. Television changed the political landscape forever, providing viewers with greater access to politicians and immediate access to current news."

Which best describes how the use of formal language contributes to the author's purpose?

A. It reflects the complex relationship between people and television.
B. It presents a clear idea in an orderly and believable manner.
C. It demonstrates that the author has strong political opinions.
D. It proves that the author has earned a Master's degree on the subject.