Which of the Following Statements Is LEAST Likely True

Multiple Choice

Which of the following statements is LEAST Likely true?

A) More frequent oil changes are required with diesels.
B) Under a heavy load, a diesel makes soot, which is abrasive and is hard on engine parts.
C) While heavy trucks have transmissions with many gears and are designed to pull heavy loads, passenger cars have only the normal number of gear ranges.
D) Diesels generally have a smaller capacity oil pan.