Theatrical art forms in many other countries do not present singing, dancing and spoken parts in one single drama. An opera singer, for example, neither dances nor speaks on stage; there are no singing or dancing parts in a modern play; in a dance drama, the dancer has no speaking role and does not sing either. Traditional Chinese drama, including Beijing Opera, is a kind of entertainment which includes spoken parts, singing, dancing and acrobatics.What makes Beijing Opera different from theatrical art forms in many other countries?
A.
It has one opera singer on stage.
B.
It has one dancer who has no speaking role.
C.
It has already spread to many other countries.
D.
It includes spoken parts, singing dancing and acrobatics.