Bulbs A and B are identical and connected in series with each other. This series combination is connected in parallel with a third identical bulb C across an ideal battery. Which statement best ranks the brightness of the bulbs?
a) Bulbs A and B are equally brightest; bulb C is dimmest
b) Bulb C is brightest; bulbs A and B are equally bright and dimmer
c) All three bulbs have equal brightness
d) Bulb A is brightest; bulbs B and C are equally bright and dimmer