You are building an application that uses a distributed microservices architecture. You want to measure the performance and system resource utilization in one of the microservices written in Java. What should you do?

A. Instrument the service with Cloud Profiler to measure CPU utilization and method-level execution times in the service. B. Instrument the service with Debugger to investigate service errors. C. Instrument the service with Cloud Trace to measure request latency. D. Instrument the service with OpenCensus to measure service latency, and write custom metrics to Cloud Monitoring.