Very important. if you didn't know then you couldn't properly imagine the scene of the story
Answer:
B
Explanation:
Editing can fix grammar, spelling and other minor details. The other options are revising, which deals with the paper as a whole, considering strengths and weaknesses, arguments, focus and organization, support, and voice, as well as mechanical issues.
The answer is A because he didn't cite his source(s)
Hope that helps feel free to ask more questions
Brainliest??