Which three components are recommended to be placed in the _GC_CRM project item?

Pega Robotic Coding Standards suggest organization of project components. You have added the _GC_CRM project item to the CRMPrj.

Which three components are recommended to be placed in the _GC_CRM project item? (Choose three.)
A . ForLoop
B . Switch
C . stringUtils
D . messageDialog
E . dateTimeUtils

Answer: CDE