Options:
[A]. reverse hydrocarbons.
[B]. curved hydrocarbons.
[C]. cylindrical hydrocarbons.
[D]. cyclic hydrocarbons.

Answer the following question given this paragraph: Hydrocarbons may form straight chains, branched chains, or rings. Ring-shaped hydrocarbons are called cyclic hydrocarbons. Q: What are ring-shaped hydrocarbons called? A:
Answer:
[D].