challenge: Why does Aziz concoct schemes against Khadija?
  
  A. Because Khadija is a rival in the family business
  B. Because Aziz is jealous of Salem's marriage to Khadija
  C. Because Aziz wants to gain control of Khadija's inherited fortune
  D. Because Aziz is angry with Khadija for moving into their home
  Answer: 