PART A: Which of the following identifies the central idea of the text? A Koko's knowledge of ASL has allowed her to communicate with other gorillas more easily and
has improved her social relations with them.
B Koko has received excellent care and her relationship with humans has allowed her to live a
fuller life than she ever would have in the wild.
C Koko has done much for our understanding of interspecies communication, but her relationship
with humans has had questionable impacts on her health and social skills.
D Koko's ability to learn ASL has informed the world on the intelligence of gorillas that would have
otherwise gone undiscovered.