Official Solution:The island of Tasmania, in which many unique species of marsupials evolved, has a reputation as a rugged, undeveloped territory. A. The island of Tasmania, in which many unique species of marsupials evolved, has a reputation as a rugged, undeveloped territory.
B. The island of Tasmania, having a reputation as a rugged, undeveloped territory, is one where many unique species of marsupials evolved.
C. The island of Tasmania, where many unique species of marsupials evolved, have a reputation as a rugged, undeveloped territory.
D. The island of Tasmania, where many unique species of marsupials evolved, has a reputation as a rugged, undeveloped territory.
E. The island of Tasmania, a territory with a rugged, undeveloped reputation, is where many unique species of marsupials evolved.
(A) The phrase 'in which' is illogical when referring to 'The island'; it would be correct to use on which or where
(B) The pronoun 'one' has an unclear antecedent; it could refer to The island of Tasmania or a territory
(C) 'The island…have a reputation' does not agree
(D) Correct. The verb 'has' agrees with the subject 'The island of Tasmania'; the sentence is concise and logical
(E) This sentence illogically implies that the island’s reputation is rugged and undeveloped
Answer: D