How does the circuit change when the wire is added?
A) A closed circuit occurs and makes all bulbs turn off.
B) An open circuit occurs and makes all bulbs turn off.
C) A short circuit occurs and makes bulbs 3 and 4 turn off but keeps bulbs 1 and 2 lit.
D) A short circuit occurs and makes bulbs 1 and 2 turn off but keeps bulbs 3 and 4 lit.