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: Mary absolutely is astonished and happy to have something all to herself, and that only she knows about it.
Narrative are written in chronological order, so, it’s TRUE
Probable d? dunno but can you give brainliest if it works because i need to check if something will work