The most obvious answer would have to be C. organic farming techniques.
The other answers have completely nothing to do with the passage.
Answer:
that doesn't even make sense lma0
Answer: Mediocre or Ordinary
Both words will fit the context of the sentence. When a meal is mediocre or ordinary, it is not the most appetizing nor is it the most horrifying meal. It just is unremarkable at all or simply stated - "just in the middle".