Read the following context and choose the best option to answer the question.
Context: ( Side note : the recently returned nurse actually had Lasik five years ago and raved about it . This was comforting . ) He made a few marks on my eyes with a " special " pencil . He also poured in the first dose of numbing drops . These numbing drops were to become my best friend .
Question: Why was the nurse so pleased with lasik , and why did they rave about it to this extent ?
Options: 
A. They get a cut of the proceeds everytime someone agrees to have the procedure
B. None of the above choices .
C. They are an official representative of the Lasik company and trying to turn a profit
D. They are eternally grateful to have recieved the procedure and want the speaker to know


D