A Practical Application of the Rules Governing Acceptance of an Offer

A practical application of the rules governing acceptance of an offer has been upheld in a number of decisions of the Canadian courts.If a student were to ask a law professor what the purpose of the practical application of these particular rules by the courts is,how do you think the professor would respond?

A) by indicating it ensures the application of the postal rule remains valid across Canada
B) by stating it qualifies any witness to the event who can testify to that effect
C) by stating a party must be aware it may become bound to contractual obligations
D) by indicating it satisfies the need for proof that the necessary events occurred