Case 7-2 Kyra Is Quizzing Her Friend Leon About the Various Options

Multiple Choice

Case 7-2
Kyra is quizzing her friend Leon about the various options available in CSS to direct parts of the Web page to different output devices,in preparation for his test tomorrow.
-Which of the following selectors will hide the nav and footer elements,according to Leon?

A) nav,footer{
Display: not;
}
B) nav,footer{
Display: none;
}
C) nav,footer{
Display: ;
}
D) nav,footer{
Display: false;
}