Simplify the Expression $\left( - 2 t ^ { 5 } \right) \left( 5 t ^ { 2 } \right) \left( - 3 t ^ { 7 } \right)$

Multiple Choice

Simplify the expression. Assume all variables represent nonzero real numbers.
- $\left( - 2 t ^ { 5 } \right) \left( 5 t ^ { 2 } \right) \left( - 3 t ^ { 7 } \right)$

A) $0 t ^ { 12 }$
B) $30 t^{ 15}$
C) $30 t ^ { 14 }$
D) $0 t ^ { 14 }$