Task: Question Answering
Input (English): Mr. Jenkins constructed a circuit consisting of a variable source, wires, and a resistor. In order to triple the amount of current, how should he change the voltage of the source?  
 (A) make the voltage three times larger (B) make the voltage one-third as great (C) make the voltage nine times larger (D) make the voltage one-ninth as great
Output (English): A