求助prep1-52【没有讨论出结果】

新旧PREP对于这题的答案不一样，新题那个没什么好争议的，这个版本答案为D，这题考得是平行并列，争议基本集中在C和D两个选项上，我选的是C，希望jj版人气高一点，能够帮忙解释一下C为什么错了，谢谢大家了！！！！！

In addition to her work on the Miocene hominid fossil record, Mary Leakey contributed to archaeology with her discovery of the earliest direct evidence of hominid activity and painstakingly documenting East African cave paintings.

(A) Leakey contributed to archaeology with her discovery of the earliest direct evidence of hominid activity and painstakingly documenting

(B) Leakey contributed to archaeology by her discovery of the earliest direct evidence of hominid activity and by painstakingly documenting

(C) Leakey was a contributor to archaeology with her discovery of the earliest direct evidence of hominid activity and with her painstaking documentation of

(D) Leakey's contributions to archaeology include her discovery of the earliest direct evidence of hominid activity and her painstaking documentation of

(E) Leakey's contributions to archaeology include discovering the earliest direct evidence of hominid activity and painstaking documentation of