A is incorrect: Printing the flow is for visual inspection or record-keeping, not for containerization or deployment of the application logic.

B is incorrect: Saving as PDF is for documentation or archival purposes, not for operational deployment as a container.

C is correct: Prompt Flow provides a specific feature for containerization, which streamlines the process of deploying the created logic as a scalable web service, typically encapsulated within a Docker container.

D is incorrect: Exporting to Excel is for data analysis or reporting, not for packaging a flow into a Docker container for deployment.