The correct answer is C, Amazon QuickSight. Amazon QuickSight is a cloud-powered business analytics service provided by AWS that allows users to create interactive dashboards and charts to visualize and analyze business data. It is designed to be easy to use, with a range of built-in visualizations and the ability to connect to a variety of data sources. The other options are incorrect because Amazon Macie is a security service that uses machine learning to discover, classify, and protect sensitive data, Amazon Aurora is a fully managed relational database that is compatible with MySQL and PostgreSQL, and AWS CloudTrail is a service that enables governance, compliance, operational auditing, and risk auditing of your AWS account.