Answer:
C) header
Step-by-step explanation:
HTML is an acronym for hypertext markup language and it is a standard programming language which is used for designing, developing and creating web pages.
Generally, all HTML documents are divided into two (2) main parts; body and head.
The head (header) contains information such as version of HTML, title of a page, metadata, link to custom favicons and cascaded style sheet (CSS) etc.
On the other hand, the body of a HTML document contains the contents or informations that a web page displays.
Hence, the part of an HTML document where the cascaded style sheet (CSS) file is linked is the header. A style sheet can be linked to an HTML document by three (3) main methods and these are;
I. External style.
II. Inline style.
III. Embedded (internal) style.