which of the following sets of dewey decimal call numbers is in correct order

Which of the following sets of Dewey Decimal call numbers is in the correct order?

A. 813.54 C78A, 813.54 C782A, 813.54 C780B, 813.54 C781D
B. 813.54 C782A, 813.54 C78A, 813.54 C780B, 813.54 C781D
C. 813.54 C781D, 813.54 C78A, 813.54 C782A, 813.54 C780B
D. 813.54 C78A, 813.54 C780B, 813.54 C781D, 813.54 C782A