Maria's Grandparents Immigrated from Mexico, but Her Parents Were Both

Maria's grandparents immigrated from Mexico, but her parents were both born in the United States. She has an MBA and earns the highest income in her family; she identifies herself as an American, speaks English as her primary language, and does not ascribe to the traditional values of her grandparents. In terms of the Pew Hispanic Center's generations of Hispanic adults, to which generation does Maria belong?

A) first-generation adults
B) second-generation adults
C) third-generation adults
D) primary-generation adults
E) secondary-generation adults