The two electrical circuits given here consist of similar bulbs and dry cells. Which of the following statements about the given circuits is correct?
(A) The bulbs in circuit Q are brighter than those in circuit P when all
the switches are closed.
(B) If the middle bulb in circuit Q blows, at least one bulb will still be able to light up.
(C) All the bulbs in circuit P will not light up when the switch is open.
so smart

(D) One bulb in circuit P will light up when the switch is open.
so smart