It is a creative work or idea
I would Choose D because A is not correct because the librarian doesnt do that kind of stuff they just help find books It cannot be B because The internet can always be sus and not always have what you are looking for Its not C Because of the same reason for why B is not the correct answer Hope this helped :D
Subordinate clause is the answer
Personality tests are useful because they show individual strengths that enable professionals to determine where their talents are best served. When individuals have a greater knowledge of their personality, they can discover careers and places that match their personality.