Read the following context and choose the best option to answer the question.
Context: I just wanted to be sure it did not go away before I signed up for it . Then , Tivo dropped the lifetime fee for multi - service households from $ 399 to $ 299 . I contacted Tivo to request the adjustment last month .
Question: Why did the narrator place a call to Tivo ?
Options: 
A. None of the above choices .
B. To register for the service .
C. To apply a discount .
D. To register .


C