What is sqrt(1 + 1/1^(2) + 1/2^(2)) + s...

What is `sqrt(1 + 1/1^(2) + 1/2^(2)) + sqrt(1 + 1/2^(2) + 1/3^(2)) +.... + sqrt(1+ 1/2007^(2) + 1/2008^(2))` equal to?

A

A.`2008 - 1/2008`

B

B.`2007- 1/2007`

C

C.`2007 - 1/2008`

D

D.`2008- 1/2009`

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