Answer: Alverez's family was very big than normal families as some people introduce their mom and dad but in his family he has to introduce mom, dad, cousin, uncle, sister, brother, auntie, grandparents. Im pretty sure this is the inference
A. she worries what they will think of her and her family.
Explanation:
i say this because in the end the writer says that his/her friends rarely had more than a "Mom and Dad" to introduce. which i believe is all the evidence needed to and that she doesn't know how they will take to her relatives names