Perform the Addition or Subtraction and Write the Result in Standard

Multiple Choice

Perform the addition or subtraction and write the result in standard form.
$33 + ( - 10 + 13 i ) + 20 i$

A) $23 + 33 i$
B) $23 - 33 i$
C) $- 23 - 33 i$
D) $- 23 + 33 i$
E) $23 + 35 i$