The most obvious answer would have to be C. organic farming techniques.
The other answers have completely nothing to do with the passage.
The correct answer is the third sentence: “We had a heavy hot meal and soon wanted warm snuggly naps.”
In this particular sentence a comma is not needed as the coordinating conjunction “and” joins an independent clause (“We had a heavy hot meal”) and a phrase which is not a complete clause; that is to say, it has not subject and verb, and it does not convey a complete thought (“soon wanted warm, snuggly naps.”)
Answer:
The answer is he, in a sentence: if a student is ill, he should get sent to the nurse
Explanation:
C. around the fire is the answer to the question