You are designing the forest and domain structure to meet the business and technical requirements. Which structure should you use?（）

• A、A single forest with one tree, and one domain
• B、A single forest with one tree two domain
• C、A single forest with two trees, each with a single domain
• D、Two forests, each with a single tree and a single domain
• E、Two forests, each with two trees, with a single domain in each tree