Answer:
A. Blockquote.
Step-by-step explanation:
HTML (hyper text markup language) is a web development tool used as a markup tag to create the plain components of a web page. It is used alongside CSS ( cascading stylesheet) and JavaScript to build a fully functional web page.
It comprises of tag elements used to create the html file. The tags are enclosed in angle brackets and most tags comes with a pair of open and close tags. Example of the html tag is the blockquote.
The blockquote is used for identifying a group of elements, derived from another source with a citation and indented on the page.