I think it's either A or D. Sorry, can only help you until there Good luck!
No, this is not a run-on sentence
I would say b. Time, d. Location, and f. Atmosphere.
Answer:
B
Explanation:
It covers the thesis of the paragraph very well, so that is why i would choose it. It is not nessasarily about the Egyptians, but about how the recipe changed over time.
hope this helps :)