Answer A. Innate.
We do not know if it is a trait that all humans are born with (which would be innate), or if it's something that we develop as we grow older.
The other words wouldn't make sense in the place of innate.
Okay, I read it, now, What is you question? I need more to run with :)
Answer:
The theme of this passage is Junk food is harmful to health and so it should only be eaten sometimes.
Explanation:
Regular consumption of junk food not only leads to weight gain but can also affect our cardiovascular health and cause more serious complications.
For this reason, the text seeks to inform how frequent consumption of junk food is bad for health. It is okay to eat from time to time, but we must give priority to healthy foods that avoid problems in our body.
