Which of the Following Statements Is LEAST-Likely True

Which of the following statements is LEAST-Likely true?

A) Use paint reducer or solvent to clean vehicle surfaces
B) You should keep the paint booth as clean as a hospital operating room.
C) When wiping down a vehicle body, use a lint-free rag or towel.
D) To remove any last trace of moisture and dirt from seals and moldings, carefully blow them out with compressed air at low pressure.