The correct answer is: D. Pulp
In the original pair of words, “candle” is made from “wax”. Similarly, “paper” is made from “pulp”.
Option A is incorrect because “wood” is not the material that candles are made from. Candles are typically made from wax, which is a solid fat or oil that is derived from animals or plants.
Option B is incorrect because “tree” is not the material that candles are made from. Candles are typically made from wax, which is a solid fat or oil that is derived from animals or plants.
Option C is incorrect because “bamboo” is not the material that candles are made from. Candles are typically made from wax, which is a solid fat or oil that is derived from animals or plants.
Option D is the correct answer because “pulp” is the material that paper is made from. Paper is made from a mixture of water and wood pulp, which is a fibrous material that is derived from wood.