You've been tasked with getting all of your team's public SSH keys onto to a specific Bastion host instance of a particular project. You've collected them all. ...

You've been tasked with getting all of your team's public SSH keys onto to a specific Bastion host instance of a particular project. You've collected them all. With the fewest steps possible, what is the simplest way to get the keys deployed?

A. Add all of the keys into a file that's formatted according to the requirements. Use the gcloud compute instances add-metadata command to upload the keys to each instance B. Add all of the keys into a file that's formatted according to the requirements. Use the gcloud compute projectinfo add-metadata command to upload the keys. C. Use the gcloud compute ssh command to upload all the keys D. Format all of the keys as needed and then, using the user interface, upload each key one at a time.