I’d say D because it explains what it is and that’s basically the whole paragraph.
It is not only what we eat, but when and how we eat that greatly affect our health and weight.
Answer:
I think it is A
Explanation:
I just think, I haven't studied this stuff yet but I know it has something to do with distance or measurement. (I suggest you wait for a better answer before leaning upon this one)
Answer:
B. The way the culture and the time in which the author writes
