Multiply or Divide as Indicated $- \frac { 3 } { 8 } \div \left( - \frac { 3 } { 4 } \right)$

Multiple Choice

Multiply or divide as indicated.
- $- \frac { 3 } { 8 } \div \left( - \frac { 3 } { 4 } \right)$

A) $- \frac { 9 } { 32 }$
B) 2
C) $\frac { 1 } { 2 }$
D) $- \frac { 1 } { 2 }$