To Establish a Class in Which Text Associated with the Class

To establish a class in which text associated with the class name "footer" displays in a 9-point blue font, you would add a style statement like this one: ____.

A) class.footer {color: blue;
Font-size: 9pt}
B) footer {color: blue;
Text: 9pt}
C) p.footer {color: blue;
Text-size: 9pt}
D) p[footer] {color: blue;
Point: 9pt}