I think the answer would be " C. understanding the author's purpose " because when you annotate something you aren't just describing it , you are formulating an explanation
Today in modern world lot of facalities and dramas also source of refreshment and entertainment.
In past there is no facalities print of drama is black and white but today it is more engaging due to developed prints are available..
The answer is theme. Theme is the lesson you are supposed to learn or message you are supposed to ger from reading the story.