As a Human Resources Specialist, You Were Asked to Briefly

As a human resources specialist, you were asked to briefly summarize the disadvantages of using internal recruiting. You have started your report by stating, "The main disadvantage of internal recruiting is that

A) there may be resentment among employees."
B) promotion leaves another position to be filled."
C) it helps hold on to quality personnel."
D) job posting may be required."
E) it brings in unfamiliar ideas and perspectives."