Questions 11 to 13 are based on the following interview with George Schaller, a world famous biologist, about his painstaking studies of mammals all over the world. You now have 15 seconds to read Questions 11 to 13. When did Mr. Schaller become interested in animals（） A: In his childhood. B: In his university days. C: In his postgraduate studies. D: In his expedition into the wild.
Questions 11 to 13 are based on the following interview with George Schaller, a world famous biologist, about his painstaking studies of mammals all over the world. You now have 15 seconds to read Questions 11 to 13. When did Mr. Schaller become interested in animals（） A: In his childhood. B: In his university days. C: In his postgraduate studies. D: In his expedition into the wild.
Questions 11 to 13 are based on the following interview with George Schaller, a world famous biologist, about his painstaking studies of mammals all over the world. You now have 15 seconds to read Questions 11 to 13. When does Mr. Schaller feel scared of wild animals（） A: When the contact is not well-planned. B: When the animals are irritated. C: When he recalls the contact afterwards. D: When he is reminded of the danger.
Questions 11 to 13 are based on the following interview with George Schaller, a world famous biologist, about his painstaking studies of mammals all over the world. You now have 15 seconds to read Questions 11 to 13. When does Mr. Schaller feel scared of wild animals（） A: When the contact is not well-planned. B: When the animals are irritated. C: When he recalls the contact afterwards. D: When he is reminded of the danger.