What is one of the differences between a microservice and a serverless function? (Choose the best answer.) 

Answer options:

A. Microservices are used for long running operations and serverless functions for short running operations.
B. Microservices always use a data store and serverless functions never use a data store.
C. Microservices are stateless and serverless functions are stateful.
D. Microservices are triggered by events and serverless functions are not.

B