Answer:
d
Explanation:
the dashes are placed in those spots to add another thought between the larger complete thought.
A pronoun can substitute a noun or a noun phrase. Among the options above only C. him and D. They are pronouns: stories is a noun and many could be a pronoun if is was standing alone, but here it is a part of a noun phrase.
C. him is singular, so the right answer is D. They
For your question i think its B
