A Marketer's CRM Requires That States Be Entered as a 2-Digit

A marketer's CRM requires that States be entered as a 2-digit abbreviation. The marketer wants to display full state names in the form picklists. How should this be done?

A) Use Mark Input to display the abbreviation while storing the full state
B) Store the full state in "Stored Value" and the abbreviation in "Display Value" on the form field settings
C) Store the full state in "Display Value" and the abbreviation in "Stored Value" on the form field settings
D) Use Mark Input to display the full state value while storing the abbreviation