Answer:
Understanding an author's culture affects the way a reader interprets his or her work because it lets the reader know how character's action relate to social expectations. The correct answer is D.
Step-by-step explanation:
Knowing the background of an author's culture is very important when reading his or her piece because it will be more easy to understand the actions of the main characters and the life the author gives them. If we belong to very different cultures and maybe we are not used to see people acting in a certain way, we can anyways understand and comprehend the characters actions and reactions by knowing the author's culture. Those actions can be very normal in that culture or have justified reasons to be done like they are.