Which of the following choices represents the expanded form of the number 67, 903?
A. 60,000 + 7,000 + 900 + 3
B. 60,000 + 700 + 90 + 3
C. 60,000 + 7,000 + 90 + 3
D. 600,000 + 70,000 + 9,000 + 3
