A．Zoos are not worth the public support．
B．Zoos fail in their attempt to save animals．
C．Zoos should treat animals as human beings．
D．Zoos use animals as a means of entertainment．
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A．He points out the faults in what Zoos do．
B．He uses evidence he has collected at zoos．
C．He questions the way animals are protected．
D．He discusses the advantages of natural habitats．
A．Animals remain in cages．
B．Animals behave strangely．
C．Animals attack other animals．
D．Animals enjoy moving around．
A．They foster trust．
B．They speed the flow of information．
C．They make people creative．
D．They create connections to help people to collaborate with each other．