Which of the following is NOT mentioned as a common element of theater and ritual

A．No one really knows how the theater began.
B．Myths are no longer represented dramatically.
C．Storytelling is an important part of dance.
D．Dramatic activities require the use of costumes.

A．The reason drama is often unpredictable.
B．The seasons in which dramas were performed.
C．The connection between myths and dramatic plots.
D．The importance of costumes in early drama.