As the department head, you urgently need to find an experienced person to fill a vacancy. The work involves close cooperation and coordination with others inside and outside of the department. Candidate A has exactly the experience required, but appears to be very unsociable. Candidate B has experience in a related job and seems to have a pleasant personality, though is not an extrovert. Candidate C has business experience in a different industry and is extremely sociable. All three candidates have scored sufficiently high on intelligence tests to qualify for the job in terms of general ability. Which candidate would you choose, and why?