Which Line of Code Uses the Correct Syntax to Apply

Multiple Choice

Which line of code uses the correct syntax to apply an external CSS style sheet to HTML documents?

A) <link rel=stylesheet type=css href=syb/syb.css/>
B) <style ref =stylesheet type=text/css href=syb/syb.css/>
C) <style ref="stylesheet" type="css" href="syb/syb.css"/>
D) <link rel="stylesheet" type="text/css" href="syb/syb .css"/>