Which of the following accurately defines mixed-status families?

Which of the following accurately defines mixed-status families?
 
  a. It refers to families in which children, parents, and grandparents live together.
  b. It refers to families in which one or more parents bring their children from a previous marriage.
  c. It refers to families in which one or more members are employed and one or more are unemployed.
  d. It refers to families in which one or more members are citizens and one or more are noncitizens.

---

Regardless of some of the struggles suffered by First and Second stream immigrants, ________ have been more acceptable than non-whites in the United States
 
  A) Indians
  B) Whites
  C) Blacks
  D) Mediterraneans