false is the correct answer i think
a speaker can use logos in a speech so people can vote for him/her
It seems to me that the two forces struggling when the narrator bites back her tongue are Meimei vs. self. This meaning, the narrator is battling herself, her Meimei self. Her family called her that way because she was the youngest sister. It seems to me that is a battle against her childhood, her attempt to be or, at least, act as a grown up. Her mother is telling she to restrain her childish whim.