[求助]新题一直搞不懂的一道题

The health benefits of tea have been the subject of much research; in addition to its possibilities for preventing and inhibiting some forms of cancer, the brewed leaves of Camellia sinensis may also play a role in reducing the risk of heart disease and stroke.

1. in addition to its possibilities for preventing and inhibiting

2. in addition to its possibilities to prevent or inhibit

3. besides the possibility that it prevents and inhibits

4. besides the possible preventing and inhibiting of

5. besides possibly preventing or inhibiting

这个题目答案到底是什么啊，总觉得每个选项好像都有问题，in addition to和besides的用法有NN能解释一下么？

我也是B和E拿不准呀

高人来解释一下in addition和besides

我觉得这里的关键不是besides和in addition，

i possibly do sth 和my possibility  that表达的意思好像不一样吧

这题我选E因为若我没记错the possibility of doing sth为固定惯用……

等会我再找找……….这题楼主correct答案是啥??

possibility肯定是搭配to do的

这题主要是b的its有指代歧义，且besides更见简洁

分号前面句子可以不看，后面一句的主语是brewed leaves ，我觉得it或者its没有指代，preventing 和 inhibiting应该用or，所以我选e