I came across on one of the forums where these questions were posted, but couldn't find the explanation. So, posting it here, so that any of the experts can shed some light on them. Both are of same kind of questions but with different type of answers. I am confused & curious to know the reason.
Plzz! help.
In addition to her work on the Miocene hominid fossil, Mary Leakey contributed to archaeology through her discovery of the earliest direct evidence of hominid activity and through her painstaking documentation of East African cave paintings.
A) Mary Leakey contributed to archaeology through her discovery of the earliest direct evidence of hominid activity and through her painstaking documentation of
B) Mary Leakey contributed to archaeology by her discovery of the earliest direct evidence of hominid activity and painstakingly documenting
C) Mary Leakey was a contributor to archaeology by discovering the earliest direct evidence of hominid activity and with her painstaking documentation of
D) Mary Leakey's contributions to archaeology include her discovery of the earliest direct evidence of hominid activity and painstakingly documenting
E) Mary Leakey's contributions to archaeology include her discovering the earliest direct evidence of hominid activity and painstaking documentation of
OA
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 activvity 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
OA
@Moderators...couldn't find these questions on forum, in case already discussed please! merge it to the original.