Question: How do you clean wood floors?

  Options: 
 A. The best solution for cleaning wood floors is one cup of vinegar mixed with one gallon of water. Immerse a clean mop into the solution and wring it until it is damp-dry.
 B. the best solution for cleaning wood floors is one liter of vinegar mixed with one gallon of water. Immerse a clean mop into the solution and wring it until it is damp-dry.
Answer: A