He hurt his leg on his way home.---------- A.So did I B.So d

很明显是过去的事,要用过去式,答案介于A,C之间.
so sb.do 的格式,意思是“...确实是”；举个栗子~A："the cat is really cute " B："so it is",意思就是B同意猫确实可爱~
so do sb.的格式,意思是“...也是”.
so~如题当选A.表示“再回家路上我也伤了腿”