单项选择题
It can he inferred from the passage that the author was （）
A．a scientist as well as a naturalist B．a naturalist but not a scientist C．no more than a born naturalist D．first of all a scientist
单项选择题 According to the author, a born naturalist should first of all be （）
单项选择题 The first paragraph tells us the author （）
单项选择题 The author can't remember his relatives clearly because （）.
