Which one of the following statements correctly describes the concept of Mens rea ?

• A. Mens rea need be present at the stage of planning but not at the stage of commission of the offence.
• B. Mens rea should be excluded unless the statute specifically requires it to be proved.
• C. Absolute prohibition is not required to negative mens rea.
• D. If the statute is silent about mens rea, as a general rule it should be read it the statute.