Do the Operation and Express the Answer in a $\frac { 13 } { i ^ { 31 } }$

Multiple Choice

Do the operation and express the answer in a + bi form. $\frac { 13 } { i ^ { 31 } }$

A) $13 i$
B) $- 13$
C) 13
D) $- 65 i$
E) $- 13 i$