Select the correct option to test your answer: A It lubricates the cylinder wall by releasing oil from its oil holes B It keeps the cylinder wall lubricated by holding oil in its channel C It returns excess lubricating oil through the return oil holes in the piston to the oil pan D It maintains a seal and prevents gas blow-by and oil leakage Correct Answer: Option C (It returns excess lubricating oil through the return oil holes in the piston to the oil pan) Verified correct option for Automobile Engineering (Automobile Engine).