This is a question with answer options. Goal: To clean old CDs that are scratched and dirty so that they continue to work,

Which of the following methods is more reasonable for accomplishing this goal?

Pick your answer from: a). rub the CDs with toothpaste, a clean rag and cold water afterwards. b). spray the CDs with bleach cleaning spray and then rub with paper towels;...I think the answer is
a).