Which words in the sentence are the complete noun clause?

whichever your brother chooses is the final decision, erica.

a.
erica

b.
your brother chooses

c.
whichever your brother chooses

d.
the final decision

Which statement is true? a) a diverse workplace can cause people to be come prejudiced b) cultural barriers can pose a challenge to creating a diverse workplace. c) enforcing the use of english challenged in creta diverse workplace d) people who see resistant to change embrace diversity easily