题目选项分析

In an attempt to produce premium oysters, a firm in Scotland has developed a prototype of a submersible oyster farm that sits below the surface of the ocean and provides ideal conditions for the mollusks' growth.

In an attempt to produce premium oysters, a firm in Scotland has developed a prototype of a submersible oyster farm, sitting below the surface of the ocean, and it provides ideal conditions for the mollusks' growth.