Evaluate the Following Expression $$5 \sec ^ { 2 } \left( \frac { \pi } { 2 } - x \right) - 5$$

Evaluate the following expression.(x ? ?n,where n is a whole number) ? $$5 \sec ^ { 2 } \left( \frac { \pi } { 2 } - x \right) - 5$$ ?

A) 5 sec²x
B) - 5 cot²x
C) 5 tan²x
D) - 5 tan²x
E) 5 cot²x