单项选择题
A. the man paid the bill every time he brought it to him B. the man was too tired to leave C. he was kind-hearted D. he lidded his job very much
A. through great social revolution B. through automotive technological revolution C. through numerous mechanical inventions D. through radical political reforms
A. Diane Fossey B. the gorillas in Rwanda C. the protection of the gorillas D. the film Gorillas in the Mist