D. A magnetic field created by the electric current causes the compass needle to move.
That's "displacement". It only depends on the beginning and ending locations, and doesn't care about the route between them.
The correct answer is hook shot
Italian physicist Alessandro Volta discovered that particular chemical reactions could produce electricity, and in 1800 he constructed the voltaic pile (an early electric battery) that produced a steady electric current, and so he was the first person to create a steady flow of electrical charge.
