Which of the following has expanded flexibility with shared or dedicated Exadata infrastructure?

"Oracle Exadata Cloud Service" (B) offers expanded flexibility with shared or dedicated Exadata infrastructure, allowing customers to choose between cost-effective shared resources or isolated dedicated hardware for performance and compliance needs. "Oracle Database Cloud Service" (A) is VM-based and lacks Exadata’s hardware integration, "Oracle Autonomous Database" (C) is fully managed without hardware choice, and "Oracle Exalogic Cloud Service" (D) is an outdated middleware platform, not database-focused. Oracle’s documentation highlights Exadata Cloud Service’s deployment options.