A code review process involves evaluating and examining another developer's code to identify potential issues, bugs, and improvements before the code is merged into the main codebase. It helps in maintaining code quality and catching errors early in the development cycle. Error Detection: Code reviews help detect and eliminate common mistakes and bugs that developers might overlook. Knowledge Sharing: They promote knowledge sharing and learning among team members. Code Quality: Ensures that the code adheres to the coding standards and best practices. Option D is correct as the primary benefit of code reviews is to eliminate common mistakes during development. Reference: Cisco DevNet Documentation: Best Practices for Code Reviews