Tom is a minor who enters into a contract with Diane. All of the following are effective methods for Tom to ratify the contract EXCEPT

1.expressly ratifying the contract after Tom reaches the age of majority.

2.failing to disaffirm the contract within a reasonable time after Tom reaches the age of majority.

3.ratifying the contract before Tom reaches the age of majority.

4.impliedly ratifying the contract after Tom reaches the age of majority.