What Happens When a Field Is Added to the Selected

What happens when a field is added to the Selected Fields list in the fields sidebar?

A) Splunk will re-run the search job in Verbose Mode to prioritize the new Selected Field.
B) Splunk will highlight related fields as a suggestion to add them to the Selected Fields list.
C) Custom selections will replace the Interesting Fields that Splunk populated into the list at search time.
D) The selected field and its corresponding values will appear underneath the events in the search results.