During application testing, developers notice that the Temp Data property contents no longer persist between requests.
You need to advise the developers of the requirements for ensuring that the Temp Data property contents persist between requests.
Which should you advise?

A.
View State must be enabled at the page level.

B.
View State must be enabled in the Web application configuration.

C.
Session State must be enabled in the Web application configuration.

D.
In Proc session state must be enabled in the Web application.