![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
In one of the exercises, the professor asked his student toA.find out the meaning of life.
In one of the exercises, the professor asked his student to
A.find out the meaning of life.
B.record their day-to-day life.
C.spend more money.
D.keep track of every penny they spend.
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)