What is the sum of the two lengths having the following measurements? Convert the answer to larger units whenever possible. 
7 yards, 2 feet, 5 inches
2 yards, 1 foot, 7 inches 

       A. 9 yards, 3 feet, 12 inches   B. 10 yards, 12 inches   C. 10 yards, 1 foot   D. 9 yards, 3 feet