Find the Sum,m $\mathrm { s } _ { \mathbf { n } },$

Multiple Choice

Find the sum,m, $\mathrm { s } _ { \mathbf { n } },$ , o f the sequence.
--13, -23, -33, -43, . . ., -703

A) -25,410
B) -713
C) -25,060
D) -25,051