![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
Identify a true statement about premises.
A.
They are absent in a piece of pure rhetoric.
B.
All the premises being used to justify a conclusion must be stated explicitly.
C.
All the premises being used to justify a conclusion must be commonly known truths.
D.
They are absent in an argument.