[单选题]
03.35: A circuit is connected as shown. All lightbulbs are identical. When th 8aqs otu/v6uh0)bq4rnqc*p df1+g 3ue switch in the circuit is*pdf u3qc+gn1 closed illuminating bulb #4, which other bulb(s) also become brighter?
A. Bulb #1 only
B. Bulb #2 only
C. Bulbs #2 and #3 only
D. Bulbs #1, #2, and #3
E. None of the bulbs.