One of the most widely accepted models for the steps in extension teaching follows the acronym AIDCAS. This model outlines the mental steps a learner goes through to adopt a new practice. The steps are:
Attention: Gaining the learner's focus.
Interest: Developing the learner's interest in the topic.
Desire: Creating a desire for change or to adopt the practice.
Conviction: Convincing the learner that the change is worthwhile.
Action: The learner puts the new practice into action.
Satisfaction: The learner feels satisfied with the results of their action.
The question simplifies this to Attention, Desire, Action, and Satisfaction. All four are key components of the extension teaching process. Therefore, A, B, C, and D are all correct.