Perform the Operation $( - 8 + \sqrt { - 64 } ) - ( - 2 - \sqrt { - 81 } )$

Multiple Choice

Perform the operation. Write the answer in a+bi form. $( - 8 + \sqrt { - 64 } ) - ( - 2 - \sqrt { - 81 } )$

A) $- 6 + 18 i$
B) $- 9 + 20 i$
C) $- 4 + 19 i$
D) $- 6 + 17 i$
E) $- 9 + 16 i$