Multi-choice problem: Continue writing the next sentence in this paragraph:

A man is doing gymnastics in a living room. He is doing hand stands on a couple of bars on the ground. the bars

Select from the following.
[a]. are made from pvc pipes.
[b]. are placed on a loop, then hung in the air.
[c]. are led by a woman.
[d]. bend in several directions as he progresses.
[a].