The correct answer is E. HTML.
HTML is a markup language that is used to create web pages. It is a set of tags that are used to define the structure and content of a web page. HTML is the most basic building block of the web, and it is used by all web browsers to display web pages.
A doc file is a Microsoft Word document. It is a proprietary format that is not used by the web.
HTTP is a protocol that is used to transfer data over the internet. It is not a markup language, and it cannot be used to create web pages.
Machine language is a programming language that is used by computers. It is not a markup language, and it cannot be used to create web pages.
Other than those given as options is not a valid answer.
Therefore, the correct answer is E. HTML.