In another year or so, you _____ all about it.

A．The author believes that a born naturalist cannot be a scientist.
B．The author’s brothers and sisters were good at music and languages.
C．The author read a lot of books about the natural world and the oil industry.
D．The author spent a lot of time working on riddles.

A．he was fully occupied with observing nature
B．he didn’t live very long with them
C．the family was extremely large
D．he was too young when he lived with them