Final answer:
The Hyperlinked Summary, option C, allows users to click on a thumbnail image in the summary report to be directed to the corresponding detailed markup.
Step-by-step explanation:
The summary report that will hyperlink a thumbnail to the original markup in a markup list is C) Hyperlinked Summary. This type of summary is specifically designed to enhance the functionality of the report by allowing users to click on a thumbnail image, which will then direct them to the corresponding detailed markup. This feature is particularly useful for users who need to review and navigate through various markups quickly and efficiently, as it allows for a more interactive and content loaded review process.