旧PREP SC2题目求解——2。标题要长啊！！！！！！！！！！

sssswu

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 her discovering the earliest direct evidence of hominid activity and painstaking documentation of

XDF老师讲过动词 优先于 名字，这题答案选择D，小弟选择的是B,不知道哪里出了问题，求NN解释~

perillayue

是动词优于名词，但是B中discovering和documentation不平行
句子结构：Mary Leakey’s contributions to archaeology include x and y.