Listen to the dialog again and answer the following questions.
1. In the dialog, Jack
   a. misunderstands what animal culture is.　 b. is an expert in the field of animal culture.　 c. is surprised to learn animals have culture.　 d. claims that animals don’t have culture at all.


2. Jack mentioned Beyoncé to show
   a. she sings better than whales.　 b. whale singing is extraordinary.　 c. she is one of the greatest singers in the world.　 d. human culture is essentially different from animal culture.