What could $be$ the reasons behind Sandeep$s$ decision $to$ exclude race and first language from his primary identity categories?

Question $10$ options:

$a$

Sandeep doesn't let discrimination get $to$ them and $is$ proud $of$ his background.

$b$

Sandeep $is$ probably the same race and language$-$speaker $as$ the dominant group around him.

$c$

All $of$ these choices.

$d$

Sandeep $issecurein$ his identity and views people $as$ all the same regardless $of$ race $or$ language.