What does an author leave out in an eyewitness account

An eyewitness account  is a first-person retelling of an event ,for this reason, an author leaves out personal opinion or dramatic effect. Because these events are part of incidents at workplaces schools, nursing homes, jails or other facilities, an eyewitness report must provide details about the event in an accurate, concise manner, giving as many details as clearly as possible.

answer; (d) i believe the best answer is ; ///people said that man could not fly, but in 1903, orville and wilbur wright made the first sustained powered flight in a heavier- than-air machine;

can you provide the possible answers