GWD 7-Q33:
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.
in addition to its possibilities for preventing and inhibiting
in addition to its possibilities to prevent or inhibit
besides the possibility that it prevents and inhibits
besides the possible preventing and inhibiting of
besides possibly preventing or inhibiting
why the answer is E? should besides be followed by an noun or something? | 
