![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
提问人:网友siicwzy
发布时间:2022-01-06
[主观题]
Why does the author mention doorbell rings?A.It is a type of information.B.It is a type of
Why does the author mention doorbell rings?
A.It is a type of information.
B.It is a type of break.
C.It is a type of incentive.
D.It is a type of warning.
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)
查看官方参考答案