Ismelda was born in Mexico, and she and her family immigrated to the United States when she was a child. She is the first in her family to attend college; she grew up bilingual and bicultural in a diverse area of Southern California. Based on this background, which of the following is MOST likely a significant cause of stress for Ismelda? 

A) Covert discrimination.
B) Overt interracial conflict.
C) Acculturation.
D) Effects of modernization.

Acculturation, or the process of adapting to a different culture, is likely a significant cause of stress for Ismelda. Growing up bilingual and bicultural means that she may have experienced conflicts or difficulties reconciling the culture she was born into and the culture she was raised in. Additionally, being the first in her family to attend college may also pose challenges related to navigating unfamiliar cultural and academic environments. Covert discrimination and overt interracial conflict may also cause stress, but there is no information provided in the passage to suggest that Ismelda has experienced these particular types of stressors. Effects of modernization are also not mentioned and are unlikely to be a significant cause of stress for Ismelda.