Which of the Following Statements About "Perceived Complexity of HCI

Multiple Choice

Which of the following statements about "perceived complexity of HCI" is correct?

A) Given the same task and the same system to be used for the task, the perceived complexity of HCI of all users would be the same;
B) Given the same task and the same task doer, the complexity of HCI perceived when using different computer system should be the same;
C) Given the same computer system and the same task doer, the perceived complexity of HCI for different tasks should be the same;
D) Given the same task and the same task doer, when the system to be used for the task changes, the perceived complexity of HCI would vary as well;
E) Perceived complexity of HCI has nothing to do with the task doer, the task requirements and the system to be used for the task.