You are the project owner of a GCP project and want to delegate control to colleagues to manage buckets and files in Cloud Storage. You want to follow Google- r...

You are the project owner of a GCP project and want to delegate control to colleagues to manage buckets and files in Cloud Storage. You want to follow Google- recommended practices.
Which IAM roles should you grant your colleagues?

A. Project Editor B. Storage Admin C. Storage Object Admin D. Storage Object Creator