Final answer:
Copado Static Code Analysis is the tool used to detect Apex code errors before deployment to Production, ensuring code quality and compliance.
Step-by-step explanation:
The tool that could be used to detect Apex code errors before they are deployed to Production is b. Copado Static Code Analysis. This tool specifically analyzes the code to ensure quality and compliance with best practices before the code is pushed into the production environment. Copado Static Code Analysis does this by reviewing the code against a set of coding standards and can pinpoint security vulnerabilities, bugs, and other issues that could impact the system's performance or reliability.