You are writing an essay on whether or not running barefoot is harmful to a runner's health, and you need to cite an effective quotation.
Which quotation from a research source could you use in your essay?
A) "Running is endemic to humankind's nature and exhibits humans at their most natural; we were born to run."
B) "Some famous runners throughout history have been Michael Johnson, Steven Prefontaine, and Roger Bannister."
C) "There are many forms of exercise that can help keep a person healthy: walking, lifting weights, or running."
D) "Unsurprisingly, many running shoe companies have begun paying for research into ways running barefoot damages a runner's feet."
