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Bo and Evan have been on the same diet and exercise program. Bo has bulked up more than Evan. Which of the following statements explains
why this may have occurred?
O A. Bo has a greater percentage of fast-twitch fibers than Evan has.
O B. Evan has a greater percentage of fast-twitch fibers than Bo has.
OC. Bo has a greater percentage of slow-twitch fibers than Evan has.
OD. Evan must not have been doing the exercises right, or the results would
have been the same.