Although the Structured Interview Helps to Reduce the Bias Often

Although the structured interview helps to reduce the bias often present in a conventional interview, it does not do so completely because

A) most interviewers do not stick to the structured protocol.
B) of the power of first impressions in a preinterview.
C) most job applicants do not like the structure.
D) people take a very long time to size up a job applicant.