-----their hats into the air,the fans of the winning team let out loud shouts of victory.being throwing 而我选的是 throwing .不明白为什么是being throwing ..

-----their hats into the air,the fans of the winning team let out loud shouts of victory.being throwing 而我选的是 throwing .不明白为什么是being throwing ..
-----their hats into the air,the fans of the winning team let out loud shouts of victory.
being throwing 而我选的是 throwing .不明白为什么是being throwing ..

-----their hats into the air,the fans of the winning team let out loud shouts of victory.being throwing 而我选的是 throwing .不明白为什么是being throwing ..
童鞋,你的答案是错误的,分析如下：
1.不存在 being throwing 这种形式,如果表示进行时态去掉beiing就可以了,如果表示被动throw
就不该使用现在分词,本身表达就相互矛盾.只有being thrown 这是现在分词的被动语态,
表示动作正在进行且被动.
2.整个句子的主语只有一个就是the fans,那么前面的分句 扔这个动作显然是由 the fans 发出
的,所以是用现在分词,表示主动.楼主选择throwing是正确的.
3.翻译：获胜队的球迷将帽子扔向填空,爆发出胜利的欢呼声
ps.下面链接是这个问题的答案,也是选择的throwing

现在分词表伴随 帽子被扔 用被动