A、It evolved from storytelling. B、It evolved from myths. C、It originated from ritual. D、It originated from folk story. C短文中提到，最广

There are many theories about the beginning of drama in ancient Greece.(16)The one most widely accepted is based on the assumption that drama evolved from ritual. This view goes as follows. In the beginning,(17)human beings viewed the natural forces of the world as unpredictable, and they sought through various means to control these unknown and feared powers. Eventually stories arose and explained the mysteries of the rituals. As time passed, some rituals were abandoned, but the stories, later called myths, persisted and provided material for art and drama.
     (18)Those who believed that drama evolved out of ritual also argue that those rituals contained the seed of theater, because music, dance, masks, and costumes were almost always used. Furthermore, a suitable site had to be provided for performances, and when the entire community did not participate, a clear division was usually made between the " acting area" and the "watching area". In addition, there were performers. Wearing masks and costumes, they often pretended to be other people, animals, or supernatural beings. They expressed the desired effect—success in hunt or battle, the coming rain, the revival of the Sun.(19)What they did was just like an actor might do. Eventually such dramatic representations were separated from religious activities.
    Another theory traces the theater’s origin from the human interest in storytelling. According to this view, tales about the hunt or war are gradually elaborated by a story-teller and then went through the assumption of each of the roles by a different person.
16. What is the most popular theory about the origin of drama in ancient Greece?
17. What did ancient people do with the natural forces of the world?
18. Why did people argue that the rituals contained the seed of theater?
19. What did performers do when the rituals were done?