At Age 17, Wanda Purchased an Expensive Sound System from Lectronic

At age 17, Wanda purchased an expensive sound system from Lectronic City. If Wanda wishes to ratify this contract, Wanda:

A) must reach the age of majority and ratify the contract as a whole.
B) may do so by express notification at any time before reaching the age of majority.
C) may at any time keep the sound system but avoid any remaining debt owed on it.
D) may do so at any time by express or implied action before or after reaching the age of majority.