You are implementing workflow pipeline scheduling using open source-based tools and Google Kubernetes Engine (GKE). You want to use a Google managed service to simplify and automate the task. You also want to accommodate Shared VPC networking considerations. What should you do?

A. Use Dataflow for your workflow pipelines. Use Cloud Run triggers for scheduling. B. Use Dataflow for your workflow pipelines. Use shell scripts to schedule workflows. C. Use Cloud Composer in a Shared VPC configuration. Place the Cloud Composer resources in the host project. D. Use Cloud Composer in a Shared VPC configuration. Place the Cloud Composer resources in the service project.