What Is the Likeliest Way to Fix a Center -Tapped

Multiple Choice

What is the likeliest way to fix a center -tapped transformer which outputs unequal voltages on each half of the secondary?

A) Add some turns to the half with the lower voltage winding.
B) Do not concern yourself; the customer will probably not notice the problem.
C) Remove some turns from the half with the higher voltage winding.
D) Replace the transformer.