The Accused Without Any Provocation Caught Hold of the Legs

The accused without any provocation caught hold of the legs of a 7 year old child and dashed his head thrice in quick succession resulting in the death of the boy. Immediately after the occurrence the accused ran away. The accused pleaded insanity in defence.

A) the offence falls under Clause (iii) of Section 300, IPC
B) the offence falls under Clause (iv) of Section 300, IPC
C) the offence falls under Clause (v) of Section 300, IPC
D) the offence falls under Clause (vi) of Section 300, IPC