Read the following context and choose the best option to answer the question.
Context: I just put a new toner and drum unit in machine . It now puts a black line on the paper edge that comes out along back of copier and it comes and goes and it is fused . I tried to clean every where I could see and reach .
Question: What will happen if the narrator cleans the machine ?
Options: 
A. The black line will go away .
B. The narrator will need to replace the toner .
C. The drum unit will need to be replaced .
D. The drum unit will become fused .


A