Please I need any information about "the function of the greek chorus or the chorus itself" from you own words and understanding (please not from the web) also your own opinion about this topic is so welcome. It's a very important assignment in my drama course I'll be extremely happy to read any answer

The purpose of the chorus is to provide background information or summarize what is currently happening in the story. Usually in the form of a song. They do not interact with characters in the story.

the answer should be b.

explanation:

it should be b because she researched before writing so it would be in past tense. "the author researches her subject before she had written the first draft.