"GitHub Copilot Individual subscriptions are billed using the payment method configured in your GitHub user profile." There is no free tier for open source projects, so option A is correct.
References: GitHub Copilot billing documentation.

"Copilot may not always understand the full context or complex dependencies in large codebases, and suggestions may require significant review." This proves that the main limitation is a lack of deep awareness of complex or large codebase contexts.
References: GitHub Copilot limitations documentation.

Audit log events for GitHub Copilot Business can be accessed through the Audit log section within the organization ' s GitHub settings. This log provides a record of activities related to Copilot usage and configuration.
Reference: GitHub Copilot Business documentation on audit logs.

"Copilot reduces the need to switch between documentation, browsers, and editors by bringing suggestions and explanations directly into the IDE." This demonstrates that minimizing context switching comes from enabling developers to stay within their IDE.
References: GitHub Copilot productivity documentation.

"Copilot learns from the patterns in your existing tests and suggests similar structures, which helps maintain consistency across the test suite." This confirms that Copilot supports test consistency through pattern recognition and suggestion.
References: GitHub Copilot testing documentation.