求教PREP一题

Mideast immigrants' rates of entrepreneurship exceed virtually every other immigrant group in the increasingly diverse United States economy.

(A) Mideast immigrants' rates of entrepreneurship exceed

(B) Mideast immigrants are exhibiting rates of entrepreneurship exceeding

(C) Immigrants from the Mideast exhibit rates of entrepreneurship exceeding those of

(D) The rates of entrepreneurship in immigrants from the Mideast exceed

(E) The rates of Mideast immigrants' entrepreneurship exceeds those of

 不明白C中EXHIBIT的作用，为什么多加一个词，不会改变句子原意吗？请指教，谢谢。