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Q

4. When you get ready to back under the semi trailer you should line up:

Combination Vehiclesmedium

AAbout 12 degrees off the line of the trailer.

BThe kingpin to engage the driver's side locking jaw first.

CDirectly in front of the trailer.

Detailed Explanation

The correct answer is "Directly in front of the trailer.". This is based on federal CDL regulations and safety standards.

Correct Answer: Directly in front of the trailer.

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