Final answer:
Robin needs to select 'Create' to make a new text file on her desktop and then 'Save' the text file after writing content in it.
Step-by-step explanation:
When Robin wants to create a new text file on her desktop PC, the correct option to begin this process is c. Create. To do this, she can right-click on her desktop, select 'New', and then choose 'Text Document'. Once she has her new text document, she can then write her content in it. After editing and formatting her text, it is important to save the document by clicking 'File' and selecting d. Save, or by pressing Ctrl+S. Saving the document frequently is crucial to prevent data loss.