During the Spring, Male Sage Grouse Gather in an Open

During the spring, male sage grouse gather in an open area and strut about, erecting their feathers in a fanlike display. They also make booming sounds using their inflated air sacs. The function of this dance is to

A) frighten off smaller birds from the territory.
B) select the showiest females and mate.
C) attract the attention of females.
D) imprint the younger male birds.