A Recent Audit Revealed That a New Network Was Created

A recent audit revealed that a new network was created in your GCP project. In this network, a GCE instance has an SSH port open to the world. You want to discover this network's origin. What should you do?

A) Search for Create VM entry in the Stackdriver alerting console
B) Navigate to the Activity page in the Home section. Set category to Data Access and search for Create VM entry
C) In the Logging section of the console, specify GCE Network as the logging section. Search for the Create Insert entry
D) Connect to the GCE instance using project SSH keys. Identify previous logins in system logs, and match these with the project owners list