Which of the following statements regarding the event AT SELECTION-SCREEN ON HELP-REQUEST FOR <FIELD> is correct?

Which of the following statements regarding the event AT SELECTION-SCREEN ON HELP-REQUEST FOR <FIELD> is correct?
A . None of the above.
B . This event will display self-defined (F1) help for the input field programmed
in the event block and will override any help possibly defined in the ABAP Dictionary for the field.
C . This event will display (F1) help for the input field on the selection screen.

Answer: C