Get DataVerse Choice Column Text Value with Power Automate

Run you flow once with the List rows action and look at the outputs. Should look like the below if you are in an environment.
Table_diplomaorderedrcvd@OData.Community.Display.V1.FormattedValue":"No","Table_diplomaorderedrcvd":false,"Table_diplomapending@OData.Community.Display.V1.FormattedValue":"-","

Use the Initialize variable action 

Use this expression but change your column name

first(outputs('List_rows')?['body/value'])['Table_diplomapending@OData.Community.Display.V1.FormattedValue']