What is IBM Cloud Functions?
A. A polyglot functions-as-a-service (FaaS) programming platform for lightweight code that executes on demand
B. A capability of Cloudant for triggering an action as data is updated, for example, sending data updates to systems
C. An IBM Cloud service for implementing multi-stage business processes involving users and systems
D. The low-code/no-code development environment for data replication and systems integration in App Connect