Typically,what Should a LinkedIn Profile Accomplish for a Job Seeker

Typically,what should a LinkedIn profile accomplish for a job seeker?

A) It should be an extension of social media sites like Facebook and contain mostly personal details.
B) It should be an elaborated version of your résumé and reinforce your professional narrative.
C) It can be the place where you list any provocative opinions that you hold.
D) It should be as low-key as possible so it doesn't hurt employment chances.
E) It usually serves as an electronic replacement for a résumé.