Perform the Desired Operation $- 3 i ( - 4 + 9 i )$

Multiple Choice

Perform the desired operation. Write the answer in the form a + bi.
- $- 3 i ( - 4 + 9 i )$

A) $27 + 12 \mathrm { i }$
B) $12 i - 27 i ^ { 2 }$
C) $- 27 + 12 \mathrm { i }$
D) $12 i + 27 i ^ { 2 }$