I would say (B). I f you cannot follow the food routine for a long period of time then you are futilely trying to stay healthy. There is no point on staying healthy just for a short period of time. That's my opinion at least.
I hope I helped. <span />
You need to post an image with it, this is much too vauge without it.
Answer:
A nearsighted person sees near objects clearly, while objects in the distance are blurred. Farsightedness is the result of the visual image being focused behind the retina rather than directly on it. It may be caused by the eyeball being too small or the focusing power being too weak.
I think the answer is source of influence