第27题: [单项选择]How do some countries protect elephants from being hunted A. By persuading ivory hunters. B. By trying to take more care of elephants. C. By establishing elephant preserves. D. By fighting with ivory hunters. 参考答案:C 答案解析:答案在原文第四段They have established elephant preserves,即“他们建立了大象保护区”,故选C。