Michelle Is Examining the Eating Habits of Students at the Local

Michelle is examining the eating habits of students at the local university. Which of the following would be an example of triangulation?

A) She conducts several surveys at different times of the day.
B) She uses the quantitative data of food sales purchased as well as qualitative data from in-depth interviews with students.
C) She interviews students, teachers, and the people who work at the cafeteria.
D) After collecting her data she calculates various statistics and presents the results in a table.