As a Neutrally Charged Person Walks Across a Wool Carpet

As a neutrally charged person walks across a wool carpet, his leather-soled shoes lose electrons to the carpet. With every step the person becomes more and more positively charged. When the person gets near the metal knob of the door he will

A) attract charges from the door; the transfer of protons from the knob to the person will occur in the form of a spark.
B) attract charges from the door; the transfer of electrons from the knob to the person will occur in the form of a spark.
C) repel the charges on the door; the transfer of protons from the person to the knob will occur in the form of a spark.
D) repel the charges on the door; the transfer of electrons from the person to the knob will occur in the form of a spark.