Multi-select problem: How does the next paragraph end?

A television announcer claps on her legs while singing introducing a show. A group of dancers in colorful costumes do an dance act with hula hoops. the audience

Pick your answer from:
(a). is seen and members clap for the group.;
(b). walks around and joins in.;
(c). stands in formation as they dance.;
(d). applauds and cheers while preparing to perform.;
(a).