I know that yiu often play basketball.No.I just play it__ A for free B for myself C for fun

I know that yiu often play basketball.No.I just play it__ A for free B for myself C for fun选什么为什么谢谢! I know that yiu often play basketball.No.I just play it__ A for free B for myself C for fun 英语翻译you know i know that you know .I know that you know that i know. i know that For I know that! you know that I not that I know I know you know that i know you know Dress is nothing important .It is___.A what yiu are count Bwhat yiu are that count c you that count I know.you know.I know that you know.I know that you know that .I know. I know ,you know.I know that you know ,I know the you know that I know. I know enough to know that I don't know I know where that is Now That I Know 歌词 now that i know it one thing i know that is i know nothing All I know is that I know nothing是什么意思? I know that you know that I know这是病句对不对?