The appositive is a renaming of a noun, something that can be skipped without changing the grammatically and meaning of the sentence.
Here the appositive is "Dr. Walters" - it can be skipped:
My dentist was one of the speakers at Career Day
and it renames "My dentist" - answer B
The journalists in today’s news only do what they think is right. The slant is only to a certain degree, but that’s only the 2014 report
Answer:
c
Explanation:
i honestly have no explanation