Answer: Option B
Explanation:
The scientist found that the substance that is extracted from the rain forest plant is lipid. The lipids can be defined as the substance that contains hydrocarbon and make up the building blocks of living things in the cell.
The anesthetic substances can be defined as the substance that can be used to induce a temporary loss of sensation and awareness.
Most of the anesthetic substances that is derived from the plants have anesthetic property in them.
Hence, the correct answer is option B