Which of the following supporting details provides the most relevant and credible evidence for the claim?
Parents should encourage their kids to participate in sports because it
has a direct impact on their success in the classroom.

A. A poll of 1,000 high school and middle school student-athletes
found that 65 percent felt that participating in sports "neither
helped not hurt their performance in the classroom.
O B. Studies conducted by Western College show that high school
student-athletes score 22 percent higher on standardized tests
than students who don't participate in sports.
O C. Though soccer is gaining in popularity on the middle school and
high school levels, it still lags far behind football, basketball, and
baseball in our national consciousness.
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O D. "Sports teach a number of skills that can help students focus in
the classroom," notes best-selling author Ina Glitch, "but these
same skills can be developed by other extracurriculars, too."