请选择ABC/`,M*O;z6f.U;aWho can help me? —Sorry , I ___ carry the bag.6B1{1u7A/H,T/E1E
A.can`t6B1{1u7A/H,T/E1E
B. can6B1{1u7A/H,T/E1E
C. Don`t6B1{1u7A/H,T/E1E