【单选题】Considering the model of the international marketing task displayed in the text, which of the following reasons demonstrates the most important difference between the international marketer's task and...
A.
The international marketer must deal with at least two levels of uncontrollable uncertainty instead of one.
B.
The international marketer must rely on at least two levels of controllable certainty instead of one.
C.
The international marketer is never certain about demand.
D.
The international marketer is never certain about supply.
E.
All of the above are valid differences between the international and domestic marketing task.