请选择ABC+H4l4r5{5k0S0V0{8B7o)V6w'K(^'t0Y My mother shops_____.7D;k-I4w7S4Z
A. slow7D;k-I4w7S4Z
B. slowly7D;k-I4w7S4Z
C. slower7D;k-I4w7S4Z