Which of the Following Is(are)an Example of Multivariate Analysis

Which of the following is(are) an example of multivariate analysis?

A) an examination of the ages of all women who are corporate executives
B) an analysis of the relationship between age, sex, and type of nightspot frequented in a given city in the Midwest
C) an analysis of the relationship that exists between types of undergraduate major and positions held in business
D) an analysis of the relationship between type of offense and length of prison sentence for those who had a jury trial
E) an analysis of the number of parolees who recidivate based upon the length of their sentence.