Context: Read the passage about Jane Goodall and chimpanzees.
Jane Goodall is a scientist who worked with wild chimpanzees, or chimps. At first, the chimps were scared of Jane. But Jane got them to trust her. She started giving the chimps bananas! After that, the chimps trusted Jane. Some chimps even let Jane become part of their group.
Jane worked with the chimps for many years. She was the first person to learn that chimps could use tools. She also learned that chimps eat meat. Before that, scientists thought they only ate plants.
When did the chimps stop being afraid of Jane?
A. After she fed them.
B. After she dressed up like a chimp.
Choose the right answer from the options and respond with its letter.

A