Business law Australia

Choose the SINGLE answer that best answers the question or best completes the sentence. Do NOT select multiple answers (ie, please IGNORE the instructions below where it says to choose "at least one" correct answer - this is a computer bug that I cannot get rid of). A Generally speaking, only agreements supported by consideration can be enforced as contracts; B One universal implied term is a promise by both parties to the contract that they will cooperate in the performance of the agreement; C There is a presumption that contracts with minors are for necessaries, and therefore enforceable unless proven otherwise; Under the parol evidence rule, courts will vary the terms of a written contract to match oral statements made during negotiations; E The various states' Sale of Goods Acts imply certain terms into contracts for the sale of goods