Use the Nth-Term Test for Divergence to Show That the Series

Multiple Choice

Use the nth-Term Test for divergence to show that the series is divergent, or state that the test is inconclusive.
- $$\sum _ { n = 1 } ^ { \infty } \cos \frac { 8 } { n }$$

A) converges, 1
B) converges, 8
C) diverges
D) inconclusive