Where an Interviewer's Own Interviewing Skills Have Improved with Practice

Where an interviewer's own interviewing skills have improved with practice over the course of conducting the recruitment process, which of the following may be most likely to occur?

A) The candidate who is interviewed last may be rated more highly than those candidates who were interviewed before them.
B) The candidate who was interviewed first may be rated more highly than those candidates who were interviewed after them.
C) All the candidates may be rated as being very much equal.
D) The candidate who is interviewed last may be rated more harshly than those who were interviewed before them.
E) The candidate who was interviewed first may be rated more harshly than those candidates who were interviewed after them.