Google Associate Cloud Engineer Q125

You have created a code snippet that should be triggered whenever a new file is uploaded to a Cloud Storage bucket. You want to deploy this code snippet. What should you do?

A. Use App Engine and configure Cloud Scheduler to trigger the application using Pub/Sub.
B. Use Cloud Functions and configure the bucket as a trigger resource.
C. Use Google Kubernetes Engine and configure a CronJob to trigger the application using Pub/Sub.
D. Use Dataflow as a batch job, and configure the bucket as a data source.