He can swim.______.A.I am so .B .So I can.C.and I can.D.So can I.

问题描述:

He can swim.______.A.I am so .B .So I can.C.and I can.D.So can I.

答案选D,表示”我也能”
so do/be sb,指”XX也...”
SO SB DO/BE 指”(刚才提到的人)确实如此”