Explanation

A is correct because historical accounts suggest Hazrat Fatima (R.A) addressed the matter to Hazrat Abu Bakar Siddique. B is incorrect because there is no widely accepted record of her addressing this specific issue to Hazrat Umar (R.A). C is incorrect because she did not address it to Hazrat Usman (R.A). D is incorrect because Hazrat Muawiyah (R.A) was not a Khalifa in the context of this event.