Men and women, regardless of weight, will have different daily energy requirements because

The correct answer for the question that is being presented above is this one: "A. men naturally have more muscle mass than women and thus need more energy to function." Men and women, regardless of weight, will have different daily energy requirements because men naturally have more muscle mass than women and thus need more energy to function.

Here are the following choices:
A. men naturally have more muscle mass than women and thus need more energy to function.
B. men are more active than women throughout the day.
C. women are smaller than men and have fewer muscles.
D. women naturally have more muscle mass than men and thus need more energy to function.