Find Sum of the Pair of Complex Numbers $$- 7 i , - 9 - 4 i$$

Multiple Choice

Find sum of the pair of complex numbers.
- $$- 7 i , - 9 - 4 i$$

A) $- 2 - 11 \mathrm { i }$
B) $- 2 + 3 i$
C) $- 2 - 3 \mathrm { i }$
D) $11 + 2 \mathrm { i }$