Scientists

[GmatKiss]

Scientists claim that the discovery of the first authenticated mammal bones in amber
could provide important clues of determining, in addition to how, when mammals
colonized the islands of the West Indies.

A. of determining, in addition to how, when mammals colonized the islands of the West Indies

B. in the determination of how and when the islands of the West Indies were colonized by mammals

C. to determine how mammals colonized the islands of the West Indies and when they did

D. for determining when the islands of the West Indies were colonized by mammals and how they were

E. for determining how and when mammals colonized the islands of the West Indies

IMO: E

[killer1387]

will go with E but
I think E would have been better one if
"for determining" is replaced by "to determine"

Btw whats the source??

[Birottam Dutta]

This is an easy one. E!

[jordan23]

IMO E. But I have one added query to this.
what if we had one more option:
F) to determine how and when mammals colonized the islands of the West Indies

Now, E or F ?

Scientists claim that the discovery of the first authenticated mammal bones in amber
could provide important clues of determining, in addition to how, when mammals
colonized the islands of the West Indies.

A. of determining, in addition to how, when mammals colonized the islands of the West Indies

B. in the determination of how and when the islands of the West Indies were colonized by mammals

C. to determine how mammals colonized the islands of the West Indies and when they did

D. for determining when the islands of the West Indies were colonized by mammals and how they were

E. for determining how and when mammals colonized the islands of the West Indies

IMO: E