阅读下面短文。从短文后所给的A、B、C、D四个选项中选出最佳选项。

    As food is to the body, so is learning to the mind. Our bodies 1 with the intake (吸入量) of enough food. In the same way, we should 2learning day by day to keep our mental(精神的) power. Learning 3 us with fuel (燃料) for driving us to make our mind 4. Learning is the best way to 5 up with the times in the information age.

    It is 6 to think school is the only workshop for getting 7. Learning should be a never-ending process, from the childhood to the old age. With the world changing so fast, to8 learning will make a person fall behind. What's worse, laziness will come to 9. It will make our mental power dry up. It will surely 10 us not move. So to stay mentally young, we have to take learning as a lifelong job.