ASE-Style Multiple Choice Which of the Following Statements Is LEAST-Likely

ASE-Style Multiple Choice Which of the following statements is LEAST-Likely true?

A) Most MIG machines that are designed for collision repair work have built-in timers that shut off the wire feed and welding arc after the time required to weld one spot.
B) For MIG spot welding, a special welding nozzle must replace the standard nozzle.
C) The MIG lap spot technique is a popular one for the quick, effective welding of lap joints and flanges on thin gauge, nonstructural sheets and skins.
D) In MIG stitch welding, the spot nozzle is used, not the standard nozzle.