![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
Pr process could be a loop because
A.
there are a lot of researches to do
B.
publics need more communications
C.
public relations play different roles in this process
D.
feedback or audience response show that there is need to develop another project