I believe the answer is B. choice of subject. Let me know if this helped.
Answer:
His mother, Alberta Williams King, was a teacher
Explanation:
An apposition occurs when two words or phrases are beside each other in a sentence such that one describes the other.
The sentence, "His mother, Alberta Williams King, was a teacher" contains an appositive an the appositive is "His mother" as it describes the relationship between Alberta Williams and the speaker.
B) quotation marks, the call of the wild
All you doing is explain what experience readers do while reading
