Final answer:
A concept map would be the best graphic organizer for placing the main ideas and content of a passage in a structured format, which can logically demonstrate their relationships and hierarchy.
Step-by-step explanation:
To organize the main ideas and content of a passage into a graphic organizer, the BEST choice would depend on the specific nature of the content. However, based on the general guidance provided, a concept map would typically be the most effective way to organize and relate different ideas and concepts, especially when drafting and planning sophisticated writing projects such as a thesis-driven paper or research proposal.
A concept map allows for the systematic presentation of key ideas, supporting details, and the relationships between them. It is especially useful for visualizing the hierarchical structure of information, which seems to be the aim when organizing ideas for a draft or understanding complex material.
Another option could be to use a table organizer, as suggested in several prompts, which can help in organizing information in a tabular format. This can be useful for identifying and categorizing different elements of your drafts, such as sources, key ideas, evidence, and other components of your project.
The provided references to brainstorming are indicative of an initial, less structured phase in the planning process aimed at idea generation, rather than the organization of those ideas into a structured format.