Answer:
A: She believed her mother's thoughts were unimportant because she expressed them imperfectly.
Explanation:
Bias is when you have unfair feelings for or against of someone or something on account of bias. In Option A, Amy Tan exhibits language predisposition since she is unjustifiably making a decision about her mom's musings. She doesn't trust her mom's considerations to be significant since her mom experienced difficulty communicating them flawlessly. Options C and D don't demonstrate any uncalled for affections in support of her mom.