If Acts No Fact Reum Nisi Means Sit Rea Is

Multiple Choice

If acts no fact reum nisi means sit rea is a cardinal principle of criminal law, then which one of the following statements correctly reflects the above principle?

A) Mens rea is an essential element of a crime and there cannot be a crime without means rea.
B) Criminal liability under Indian Law always implies mens rea
C) To constitute a crime there must be actus rues and mens rea
D) Actus reus is not always necessary to constitute a crime.