A is your answer ( I took the test on USATESTPREP )
Primary sources, for example, are witnesses. If there was a witness to a murder, they would be considered a primary source because they can give the police a first hand view of what happened. Published research, newspaper articles, and other media would be secondary sources as they are not at the event but just commentating and/or making observation from what they can tell from videos and gossip. Let me know if you have any more questions.
Martin Luther King Jr. was arrested and sent to jail because he and others were protesting the treatment of blacks in Birmingham, Alabama.
the climax of a story and some other things that are based on story
Heroic epic often depict exactly this - they have long complex stories that are also very culturally relevant to the culture out of which the hero comes from. They were often created in order to be sung and they also involve supernatural beings etc. which the hero has to overcome and save his people.
No other of the available answer is similar to this.
