The Network Shown Is Assembled with Uncharged Capacitors X ,Y,and

Multiple Choice

The network shown is assembled with uncharged capacitors X ,Y,and Z,with

And
The switches S₁ and S₂ are initially open,and a potential difference V_ab = 120 V is applied between points a and b.After the network is assembled,switch S₁ is then closed,but switch S₂ is kept open.How much charge is finally stored in capacitor Y?

A) 110 µC
B) 54 µC
C) 81 µC
D) 140 µC
E) 160 µC