Which of the Following Statements Is LEAST-Likely True

Multiple Choice

Which of the following statements is LEAST-Likely true?

A) In a transmission, bearings support the ends of almost all rotating parts.
B) The input shaft is usually a single part made up of a series of gears that mesh with the various gears on the mainshaft.
C) Bearings allow parts to rotate with very little friction.
D) Different parts of the geartrain are commonly called "shafts."