Answer:
A. A high school student tries to suppress his cultural identity.
Step-by-step explanation:
Internal conflict, as its name reveals, is a struggle that happens inside the character´s mind. Usually, the conflict is about ethical or emotional questions.
The internal conflict gives the character a distinction about the rest of the characters, it provides motivation in the choosing of certain actions.
In the options given the character is facing an ethical conflict. He/she need to suppress his/her cultural identity to fit in or maintain his/her roots with his/her family.
I hope this answer helps you.