The correct answer is: B. Paper.
Wood is the main raw material for the manufacture of paper. It is used to make pulp, which is then used to make paper. The pulp is made by grinding wood into small pieces and then boiling it in water. The water dissolves the lignin, which is the material that holds the wood together. The remaining fibers are then separated and dried to form paper.
Paint is made from a variety of materials, including pigments, binders, solvents, and additives. Wood is not a main raw material for paint.
Ink is made from a variety of materials, including pigments, solvents, and additives. Wood is not a main raw material for ink.
Gunpowder is made from a mixture of charcoal, sulfur, and potassium nitrate. Wood is not a main raw material for gunpowder.