You are choosing a database backend for a new application. The application will ingest data points from IoT sensors. You need to ensure that the application can scale up to millions of requests per second with sub-10ms latency and store up to 100 TB of history. What should you do?

A. Use Cloud SQL with read replicas for throughput. B. Use Firestore, and rely on automatic serverless scaling. C. Use Memorystore for Memcached, and add nodes as necessary to achieve the required throughput. D. Use Bigtable, and add nodes as necessary to achieve the required throughput.