Which of the Following Statements About Task Analysis Is Appropriate

Which of the following statements about task analysis is appropriate?

A) The objective of task analysis is to identify the task-doers that will use the to-be-designed information system;
B) Task analysis reveals the scenarios and conditions under which users perform their tasks;
C) For the two levels of tasks: organizational level and tool level, task analysis only focuses on the tool level tasks;
D) Task analyses are not related to the high level process analyses (e.g. the most general level-0 Data Flow Diagram) in SA&D;
E) Task analysis aims at finding out what target users of a system do in an organization, but not the methods of doing their work.