What Was the Ruling in Adrian Lopez V

What was the ruling in Adrian Lopez v.Kmart Corporation,the case in the text regarding whether a minor could disaffirm an arbitration clause in an employment contract?

A) Plaintiff entered into a valid arbitration agreement with his employer,but the employer properly exercised its right to void the contract.
B) Plaintiff entered into a valid arbitration agreement with his employer,but properly exercised his statutory right of disaffirmance,thereby rescinding the arbitration contract and rending it a nullity.
C) Plaintiff did not enter into a valid arbitration agreement with his employer because he was a minor,and therefore the agreement was a nullity.
D) Plaintiff entered into a valid arbitration agreement with his employer,but did not properly exercise his statutory right of disaffirmance,thereby he was required to arbitrate.
E) Plaintiff entered into a valid arbitration agreement with his employer,but the employer failed to exercise its right to void the contract.