通读全文，根据短文内容，从A、B、C、D四个选项中选出可以填入空白处的最佳答案。
I love PE classes in my school! One day, our teacher told us that we had the_____ to choose our favorite sport. It included badminton, ____   basketball, volleyball and soccer. We were all _____ about that., because we could choose what we really like. Before, we always _______taking PE classes. We thought they were boring. But now I think ______ of us will get interested, because we are doing what we really enjoy!
A. chance     B.activity     C. time
A. singing    B.dancing       C. tennis
A. worried    B. sad         C. excited
A.liked       B. hated       C. started
A. none       B. anyone      C. all