![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
听录音,回答以下问题:A.Peoplelearnmoreabouttheproblemofpollution.B.Firms,individua
听录音,回答以下问题:
A. People learn more about the problem of pollution.
B. Firms, individuals and governments make more efforts.
C. Scientists analyze the underlying reasons of pollution.
D. Litter and waste should be controlled at home.
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)