A Man Suddenly Murdered His Wife and Sister in Law

A man suddenly murdered his wife and sister in law and he made no attempt to run away. This case :

A) Falls within Sec. 84.
B) Does fall within Sec. 84 because of absence of motive.
C) Does not fall within Sec. 84 because of presence of motive behind the act.
D) Does not fall within Sec. 84 because absence of motive does not imply unsoundness of mind.