Final answer:
The subject of this question is Business and it is suitable for College level. The correct answer is option d: training for Chief Compliance Officers.
Step-by-step explanation:
The subject of this question is Business and it is suitable for College level.
According to the information provided, the question is about the content that is included in advertisements. It states that advertisements do not include any written communication directed to more than one person or any notice or other announcement offering certain types of services or training.
Specifically, the options listed are related to investment analysis, advisory services, and training for Chief Compliance Officers. Therefore, the correct answer is option d: training for Chief Compliance Officers.