描述过去与现在的变化 — 英语选择题

Lingling 正在整理旧相册，比较过去和现在。请选出描述正确且语法完全正确的一项： A. I am short three years ago, but now I am tall. B. Three years ago, I couldn't ride a bike, but now I can ride it well. C. I was like playing football then, but now I don't like it. D. Then I was thin, but now I am thin, too. Nothing changes.