In a Computer-Aided Decision Making Task, Which of the Following

In a computer-aided decision making task, which of the following description is appropriate?

A) The levels of the direct interaction between the decision maker and the computer can be described with the four-layer model of HCI (TSSL) ;
B) The decision maker's direct interaction with the computer is at the highest level of the task hierarchy;
C) The decision maker's direct interaction with the computer can be decomposed into subtasks
D) The decision maker's direct interaction with the computer is an organizational-level interaction;
E) Operation of the computer in the given situation can be automated without involvement of the decision maker