Answer :
Answer:
I think A and C.
Explanation:
If you combined A) and C) to be a sentence such as: "Furthermore, bees are sensitive to pesticides and pollutants, they have an enormous impact on our world and must be saved.", you would be telling the readers that the bees have a huge impact on our world (concluding the topic of the importance of bees), but then you also have an example of how to help the bees (stop using pollutants and pesticides).