a plastic that is composed of a saturated hydrocarbon would have molecules that are most like those in which…

Brief Explanations:

Asphalt is a mixture of saturated hydrocarbons. Lubricating oil has more complex mixtures with some unsaturated components in some cases. Natural gas mainly consists of methane and other light - hydrocarbons. Gasoline is a mixture of hydrocarbons with a range of chain lengths and some unsaturated hydrocarbons for better performance. Saturated - hydrocarbon based plastics are most similar to asphalt in molecular structure as both are composed of long - chain saturated hydrocarbons.

Answer:

A. asphalt