Using the order of operations, what should be done first when evaluating this expression?

Negative one-half divided by 2 (9 + 3) minus 4 minus three-fourths (8)
A. Divide Negative one-half divided by 2.
B. Add 9 + 3.
C. Multiply Negative three-fourths (8).
D. Subtract 3 minus 4.