Read the following context and choose the best option to answer the question.
Context: Single pcb The doctor had said my father would recover in two months . But after two months he still could n't walk by himself . All of us were worried about him .
Question: What may be wrong with my father ?
Options: 
A. He has the flu .
B. He has cancer .
C. He broke his leg .
D. He broke his arm .


C