Write the Ratio as a Ratio of Whole Numbers Using $\frac { 13 } { 11 }$

Write the ratio as a ratio of whole numbers using fractional notation. Write the fraction in simplest form.
-39 to 33

A) $\frac { 13 } { 11 }$
B) $\frac { 13 } { 33 }$
C) $\frac { 39 } { 33 }$
D) $\frac { 39 } { 11 }$