How do you write the following standard number in expanded notation?

31,606,577

A30,000,000 + 1,000,000 + 600,000 + 60,000 + 5,000 + 700 + 7
B30,000,000 + 1,000,000 + 60,000 + 600 + 500 + 70 + 7
C30,000,000 + 1,000,000 + 600,000 + 6,000 + 500 + 7 + 7
D30,000,000 + 1,000,000 + 600,000 + 6,000 + 500 + 70 + 7