R串= U2 P串 = (220V)2 220W =220Ω,R1= U2 P1 = (220V)2 275W =176Ω,R2=R串-R1=220Ω-176Ω=44Ω,P2= U2 R2 = (220V)2 44Ω =1100W,P并=P1+P2=275W+1100W=1375W.故选D.