TOEFL Listening: ETS-TOEFL听力机经 - GX1LXW3A6031G4P4P$

Why does the professor mention flies? A. To explain an unusual case of Batesian mimicry B. To give an example of a harmless species mimicking a dangerous one C. To share the findings of a research study on camouflaging D. To explain why many types of insects prefer to live near bees