Another word for influence is influential
When your with your best friends you are different
I believe that It is C, because although the passage does focus on Mathilde's love for expensive things, broadly the subject is how Mathilde is discontent with the lifestyle she is now living, and D is too broad, and B is also too broad.
Answer:
Romeo is in Mantua and pays the apothecary gold, because the apothecary was poor. So the apothecary explains to Romeo that the poison will kill him the instance he takes it. He went to the apothecary for poison.
Hope this helped :)