(A) Madagascar was one of the last habitable areas of the earth to undergo human settlement, which has made it
(B) Madagascar was one of the last habitable areas of the earth to have undergone human settlement, and that has made it
(C) Madagascar underwent human settlement as one of the last habitable areas of the earth, which makes it
(D) Madagascar, one of the last habitable areas of the earth, underwent human settlement, making it
(E) Because Madagascar was one of the last habitable areas of the earth to undergo human settlement, it is
Solution:
Modifiers + Parallelism
A and C: which modifies its preceding word that must be a noun. It cant modify the entire preceding phrase.
B: to have undergone is wrong tense. seems to have undergone would have been correct.
D: Madagascar is modified by one of the last habitable areas of the earth but this phrase alone is illogical. It must beà one of the last habitable areas of the earth.
E: Parallel structure: Because Madagascar was it is an ideal E is the best choice.
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