Perform the Operation $( 2 + 5 i ) + ( 10 - 11 i )$

Multiple Choice

Perform the operation. Write the answer in a+bi form. $( 2 + 5 i ) + ( 10 - 11 i )$

A) $11 + 2 i$
B) $13 - 6 i$
C) $14 - 2 i$
D) $12 - 6 i$
E) $10 + 9 i$