X Knows That Y Is Suffering from Enlarged Spleen

Multiple Choice

X knows that Y is suffering from enlarged spleen. H gives Y a first blow which ruptures the spleen and cause his death. X being a doctor knows that a moderate blow on that region would rupture the spleen and is likely to cause Y's death. What is X guilty of?

A) Culpable homicide not amounting to murder as X knew that his act is likely to cause death.
B) Murder as X knew that his act is likely to cause death of Y to whom the injury was inflicted.
C) No offence as the blow would not have caused death of a normal man in ordinary circumstances of the case.
D) An offence other than murder or culpable homicide not amounting to murder.