Final answer:
The implementation stage of a training program typically involves delivering training content, where the curriculum designed is put into action for employees to learn new skills. The correct answer is c).
Step-by-step explanation:
During the implementation stage of a training program, the most likely activity to occur is c) Delivering training content. This phase is focused on the actual execution of the established training plan, where employees participate in learning activities and acquire new skills or knowledge. Unlike the assessment of training needs and identification of learning objectives, which occur prior to this stage, or the post-training evaluation, which occurs afterwards, the implementation phase is where the practical aspect of training happens, effectively putting the designed curriculum into action.