题目选项分析

When the body is deprived of carbohydrates, which is common to fad diets, weight loss may occur, but it can also lead to ketosis, accounting for much of the 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.