Find a Formula for the Sum of the First N $17,21,25,29,33 , \ldots$

Multiple Choice

Find a formula for the sum of the first n terms of the sequence.​ $17,21,25,29,33 , \ldots$ ​

A) $S _ { n } = n ( 2 n + 15 )$
B) $S _ { n } = n ( 5 n + 1 )$
C) $S _ { n } = \frac { ( n + 1 ) } { n }$
D) $S _ { n } = n ( 2 n + 1 )$
E) $S _ { n } = n ( 17 n - 1 )$