<span>The correct answer is C. A. would require a drastic sudden change which would only damage the body as it wouldn't be immediately used to it, as well as it wouldn't gain enough nutrients from which to gather energy for exercising; B. is an unhealthily wrong choice, because exercise is efficient, but diet influences at least 80% of the weight results; C. is the most balanced choice.</span>
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As long as calories consumed and expended are not the same, diet or activity level should be adjusted for the good of the body's health.
Dual Energy X-ray Absorptiometry (Dexa)
