Which of the Following Pairs of Events Would Seem to Be

Which of the following pairs of events would seem to be mutually exclusive?

A) Vacationing next week in Hawaii and vacationing next week in Paris.
B) Ordering a hamburger for dinner and ordering French fries for dinner.
C) Enrolling in a math class and enrolling in a Spanish class next quarter.
D) Majoring in economics and playing on the soccer team.
E) Eating a sandwich for lunch and drinking a glass of milk for lunch.