Read the following context and choose the best option to answer the question.
Context: but i ca nt help thinking that you did this to me too . and i do nt really know what you did anyways so how am i supposed to think any different . i lost you . i lost her .
Question: What is the cause of the narrator 's sadness ?
Options: 
A. The loss of a partner .
B. None of the above choices .
C. The loss of a father .
D. The loss of a friend .


A