Answer:
O An investigation of the problem and audience
Step-by-step explanation:
ADDIE stands for Analysis, Design, Development, Implementation, and Evaluation which is defined as an instructional systems design framework that helps to develop training courses.
The main idea behind the development of ADDIE was to provide a good learning experience through structured training methods. But there was a limitation of ADDIE that is, it is not able to recognise or investigate the problems and unable to solve the issues.
Hence, the correct option is "An investigation of the problem and audience".