If the bathtub is a synecdoche, what does it stand for and why?

Synecdoche refers to a literary device in which a part of something is substituted for the whole (as hired hand for "worker"), or less commonly, a whole represents a part (as when society denotes "high society").

Explanation:

hope this helps

b. his ability to use formal language to stress strong feelings

i would say c, admiration because the narrator related to the main character and she, too, once felt ashamed about her culture and wished to be an american girl to impress a boy. she felt admiration because her mom prepared her favorite foods when her and robert's (the guy she liked) family all came together and had a family reunion.