The circuit is working, and all three bulbs are lit. If a switch at C is opened,
what will happen to the circuit?
O
A. All three bulbs will go out.
o
B. Bulb 3 will go out, but bulbs 1 and 2 will remain lit.
C. All three bulbs will stay lit.
O
D. Bulbs 2 and 3 will go out, but bulb 1 will remain lit