The correct answer is: C. HyperText Markup Language
HTML is the standard markup language for creating web pages. It is a set of codes that tell web browsers how to display a web page. HTML tags are used to define the structure of a web page, such as headings, paragraphs, and lists. They can also be used to add images, links, and other elements to a web page.
A. High Text Mail List is incorrect because HTML is not a mail list.
B. Hyperlink Markup Language is incorrect because HTML is not a markup language for hyperlinks.
D. Hyperlink Transfer Markup Language is incorrect because HTML is not a markup language for transferring hyperlinks.