请选择ABC,l(Q,B(I)y6E'X:x1j.z*u5Q2I6h ---Whose school bag is that? ---It’s________ .:G.T9~/w/A'd2G;w
A. Tom:G.T9~/w/A'd2G;w
B. my sister:G.T9~/w/A'd2G;w
C. mine:G.T9~/w/A'd2G;w