darlingriyarai wrote:
Examining bog plants in the Kingdom of Lesotho. British and African researchers have discovered alarming evidence of erosion not only which could threaten the existence of the bogs themselves but also endanger a project to supply water to the Johannesburg region of South Africa.
A. Examining bog plants in the Kingdom of Lesotho, British and African researchers have discovered alarming evidence of erosion not only which could threaten the existence of the bogs themselves but also
B. Examining bog plants in the Kingdom of Lesotho, alarming evidence of erosion has been discovered by British and African researchers, which not only could threaten the existence of the bogs themselves but also could
C. British and African researchers examining bog plants in the Kingdom of Lesotho have discovered alarming evidence of erosion, which could not only threaten the existence of the bogs themselves but also
D. British and African researchers that are examining bog plants in the Kingdom of Lesotho have discovered alarming evidence of erosion, not only which could threaten the existence of the bogs themselves but also could
E.In examining bog plants in the Kingdom of Lesotho, alarming evidence of erosion has been discovered by British and African researchers, and it could not only threaten the existence of the bogs themselves but also
A)Incorrect idiom. Not only X, But also Y. Here the X and Y need to be parallel. In A, the "which" occuring right after "not only" has to be parallel to "but also could", but since it is not, hence it is incorrect.
B)
Examining bog plants in the Kingdom of Lesotho,
alarming evidence of erosion has been discovered by British and African researchers. Here the RED portion is a modifier which MUST modify the noun coming right after the modifier. "Who is examining bog plants in the kingdom of Lesotho"--ALARMING EVIDENCE. Obviously not. Hence Incorrect.
C)Correct
D) Same issue that was in A.
E) Same modifier issue. What does "it" refers to here?
+1 C.
Do mention the source first.