Multi-select problem: How does the next paragraph end?

The man in blue helmet is paddling through the water current. Two rafts are stuck in running water. the people

[A]. paddle back and forth among the trees.
[B]. walking on the rafts have an underwater safety harness.
[C]. then get in the rafts and start rafting along the river.
[D]. are paddling through the water but they are stuck in one spot.
[D].