Identify the expression which represents the calculation “the sum of 9 and 4 decreases by 2.”

Responses
A (9 + 4) – 2(9 + 4) – 2
B 9 + (4 – 2)9 + (4 – 2)
C 9 – (4 + 2)9 – (4 + 2)
D (9 + 4) + 2