Guessing at what word the question is asking about here. I'd say B - obstinacy means being stubborn or inflexible, which doesn't apply here.
The chorus in an Ancient Greek play was extremely important because it helped the viewers to follow along. Often times it summarized what happened in a certain act/scene/play, which helped people who did not understand it to, well, understand it. It also often provided insight into characters minds. It told things about the characters that they could not tell about themselves, which could help the viewer predict what was going to happen in the upcoming scenes.
The correct answer is D. The audience knows something the character or the characters don't.
This is a pretty common literary technique used in plays and its usage goes as far back as Ancient Greece. This is especially noticeable in tragedies where the audience knows what is being plotted while the main characters do not.
Answer:
ship is not a root word among these 4.
