Applications and Softwares Quizzes Bootstrap

Question:
Which of the following bootstrap styles are used to add a dropdown to a pills?

Option A):
.nav, .nav-pills
Option B):
.nav, .nav-pills, .dropdown
Option C):
.nav, .nav-pills, .dropdown-.menu
Option D):
.nav, .nav-tab, .menu

Correct Answer is Option C):
.nav, .nav-pills, .dropdown-.menu

Explanation:
To add dropdowns to tab: Start with a basic unordered list with the base class of .nav; Add the class .nav-pills.; Now add an unordered list with a .dropdown-menu class.