Answer:
C. It is usually clearer for readers to follow.
Step-by-step explanation:
When you give a linear estructure to your writtings it is easier to follow for your readers, one of the main reasons that people stop reading diverse works is because they get confused and can´t follow the path that the story is creating, eventhough it´s more interesting a non linear path, it is easier to understand and to read a linear path, so author prefer to write that way because C. It is usually clearer for readers to follow.
I hope this helps you