Provide an Appropriate Response $\sum _ { \mathrm { k } = 3 } ^ { 5 } \frac { ( - 1 ) ^ { \mathrm { k } + 1 } } { \mathrm { k } + 1 }$

Provide an appropriate response.
-Which formula is not equivalent to the other two?
I. $\sum _ { \mathrm { k } = 3 } ^ { 5 } \frac { ( - 1 ) ^ { \mathrm { k } + 1 } } { \mathrm { k } + 1 }$
II. $\sum _ { k = 1 } ^ { 3 } \frac { ( - 1 ) ^ { \mathrm { k } + 3 } } { \mathrm { k } + 3 }$
III. $\sum _ { k = 2 } ^ { 4 } \frac { ( - 1 ) ^ { k - 1 } } { k - 1 }$

A) I
B) All are equivalent.
C) III
D) II