Which of the Following Statements Is LEAST-Likely True

Multiple Choice

Which of the following statements is LEAST-Likely true?

A) A recovery tank is a good feature to add to an older car if it does not already have one.
B) When a tank vibrates on rough roads, it can be torn from its mount.
C) If the radiator cap needs to be replaced on a recovery tank system, be sure the new cap includes a seal that works against the top of the filler neck, too.
D) One gallon of water weighs about 5 pounds.