![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
It can be inferred from the third paragraph that earlier generation didn't realize ______.
A.the importance of the proper use of land
B.the interdependence of water, soil, and living things
C.the value of the beauty of nature
D.the harmfulness of soil destruction and river floods
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)