The series represented by $a_{n}=\frac{n^{2}-2 n}{3 n^{2}+n}$ is
(A) convergent
(B) divergent
(C) asymptotic
(D) oscillatory
The series represented by $a_{n}=\frac{n^{2}-2 n}{3 n^{2}+n}$ is
(A) convergent
(B) divergent
(C) asymptotic
(D) oscillatory