I had the story, bit by bit, from various people, and, as generally happens in such cases, each time it was a different story If you were to use this sentence in a research paper for school, what is the proper way to attribute it?

Aonly copy the sentence
Bonly state the author s name
Cplace quotation marks around the sentence and state the author s name
Dcopy the sentence without quotations and state the author s name