请教 OG15 语法 44题

44. The plot of The Bostonians centers on the rivalry between Olive Chancellor, an active feminist, with her charming and cynical cousin, Basil Ransom, when they find themselves drawn to the same radiant young woman whose talent for public speaking has won her an ardent following.

　　(A) rivalry between Olive Chancellor, an active feminist, with her charming and cynical cousin, Basil Ransom,

　　(B) rivals Olive Chancellor, an active feminist, against her charming and cynical cousin, Basil Ransom,

　　(C) rivalry that develops between Olive Chancellor, an active feminist, and Basil Ransom, her charming and cynical cousin,

　　(D) developing rivalry between Olive Chancellor, an active feminist, with Basil Ransom, her charming and cynical cousin,

　　(E) active feminist, Olive Chancellor, and the rivalry with her charming and cynical cousin Basil Ransom,

答案是C 可以分析出来，但是这段话的谓语动词是什么？