What Is a Disadvantage of an Internal Job Posting

What is a disadvantage of an internal job posting?

A) Employees feel that the company may be having difficulties and personnel changes are being made.
B) The decision about which candidate to select may be more difficult if there are two or more equally qualified candidates.
C) Most employees feel the person for the job has already been selected so the response rate to the job posting is low.
D) Often all employees interpret the job posting to feel they deserve the position regardless if they work in a different area from where the job opening exists.
E) Unsuccessful job candidates take internal job postings lightly which shows a lack of motivation to improve their positions.