9.I think the environment is bike.A,riding C.Except,to ride

9.I think the environment is bike.A,riding C.Except,to ride D.Except,riding[2170]
9.I think the environment is really important.____,I like ____ my bike.A.Beside,riding B.Besides,riding C.Except,to ride D.Except,riding[2170]
这个题选择哪个呢?答案选择的是B,能不能再给我翻译出来呢?我不懂呀.