Jane Goodall Is One of the World's Most Famous Scientists

Jane Goodall is one of the world's most famous scientists.Which of the following did she accomplish as a primatologist?

A) She established a long-term research project at Gombe,Tanzania,which focused on chimpanzees,and discovered that they use tools such as twigs.
B) She studied and translated the vocalizations of monkeys in Botswana,with her colleagues Cheney and Seyfarth.
C) She researched chimpanzee violence,hunting,and predation at a site in Uganda,comparing their patterns of aggression to those of humans.
D) She deciphered language-like abilities in the chimpanzee known as Nim Chimpsky,teaching him American Sign Language.