题目选项分析

Depriving the body of carbohydrates, commonly found in many fad diets, may aid in the loss of weight, but it can likely lead to ketosis, which results in muscle loss in a process that itself can often account for much observed weight loss.

Depriving the body of carbohydrates, a strategy common in fad diets, may aid in weight loss, but such a regimen can likely lead to ketosis, which can cause muscle loss—a result that can often account for much of the observed weight loss.