Task: Question Answering
Input (English): The density of 200 mL of water was determined, and then 20 grams of sugar was dissolved in the water. The student determined the density of the sugar-water solution and recorded the collected data in a table. The sugar in this investigation is  
 (A) the solute. (B) undergoing chemical change. (C) the solvent. (D) changing from a solid to a gas.
Output (English): A