Which of the Following Is Not a Reason Why Many

Which of the following is not a reason why many media corporations based in Europe and North America have reduced the number of reporters in Africa, Asia and Latin America?

A) Cost of stationing full-time reporters in foreign countries
B) Ease of airline travel plus portability of equipment for quick response
C) Tension between the cultures
D) Perception of a lack of interest among editors and management concerning routine events in distant lands
E) All of the above are valid reasons