First you must know what the word "bravado" means:
It is essentially another word for self-confident. One with a lot of bravado can also be considered a show-off or arrogant.
Looking at the choices the only choice that is "showing-off" something is choice B. Large diamond pendent
This could come off to others as someone who is proud of their riches or wants the world to know their wealth.
Hope this helped!
~Just a girl in love with Shawn Mendes
