Which of the Following Answer Options Describes the Common Law

Which of the following answer options describes the common law mischief or purposive approach of statutory interpretation?

A) The meaning and intention of the language used in the Act is unclear so it is necessary for the court to use extrinsic materials to define what mischief the statute is intended to remedy.
B) The meaning and intention of language used in the Act is unclear so it is necessary for the court to look at the law before the statute was passed,to read the act in its entirety in order to determine the intention and then ask 'What mischief is this statute intended to remedy?'.
C) The meaning of language used in the Act is clear and the court's duty is to apply it unless that meaning is at odds with the legislator's intention,or where applying it would lead to absurdity,injustice or repugnance.
D) The meaning and intention of language used in the Act is clear and it is the court's duty to apply it.