第20题: [单项选择]It can be inferred from the passage that the author was ______. A. first of all a scientist B. a naturalist but not a scientist C. no more than a born naturalist D. a scientist as well as a naturalist 参考答案:C 答案解析:[解析] 推理题。作者在文章中不断强调自己是一个博物学家,而且是天生的,由此判断只有C选项正确。即他不过是一个天生的博物学家而已。