A 10-NF Is Connected in Series with a 20-NF Capacitor

A 10-nF is connected in series with a 20-nF capacitor.This combination is then placed in parallel with a 30-nF capacitor.This combination is then placed parallel to a 9.0-V battery.What is charge drawn from the battery?

A) 60 nC
B) 90 nC
C) 140 nC
D) 180 nC
E) 330 nC