Which of the following is an example of a caught-in or caught-between hazard? A. A construction worker was moving tar paper in a bucket to the top of a building. The bucket tilted and the rolls fell out of the bucket, hitting the worker in the head. The worker suffered blunt force trauma to his head. B. A worker installing signs on a highway was run over when an SUV entered the work area. C. A worker was hit by the counterweight and revolving superstructure of an excavator when he walked into the restricted area. D. A worker was operating a road grader when the engine died and the vehicle began to roll toward a small ravine. The employee jumped off the grader but was pulled under the grader as it overturned.