How should the Admin make the prices visible again?

An Admin at Universal Containers has hidden the prices of Products on the Configure Products page.

How should the Admin make the prices visible again?
A . Go to the Product Option object’s Unit Price field and add visibility to its Field-level security.
B. Go to the Product Option object’s Option Configuration Field Set and add the Unit Price field.
C. Go to the Product Option record and check if the Default Pricing Table field is set to Standard.
D. Go to the Product Option record and check if the Price Editable field is False.

Answer: A