Choose the Pair of Rational Numbers That Are Between the Given

Multiple Choice

Choose the pair of rational numbers that are between the given fractions.
- $\frac { - 10 } { 15 }$ and $\frac { - 11 } { 15 }$

A) $\frac { - 21 } { 30 } , \frac { - 19 } { 30 }$
B) $\frac { - 31 } { 45 } , \frac { - 32 } { 45 }$
C) $\frac { - 34 } { 45 } , \frac { - 35 } { 45 }$
D) $\frac { 19 } { 30 } , \frac { - 23 } { 30 }$