![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
Which of the following is true about the action of CAP at the lac promoter?
A.
CAP monomer binds directly to the promoter stimulating polymerase to bind.
B.
CAP-AMP blocks recruitment of polymerase to the promoter.
C.
CAP blocks the αCTD of RNA polymerase.
D.
Binding of the CAP-cAMP to the lac activator-binding site recruits RNA polymerase.
E.
CAP monomer binds directly to the promoter stimulating polymerase to bind and CAP blocks the αCTD of RNA polymerase are correct.