add 65,25,45,85,95,55,15,75,35,30,70,10 and 50 to an empty 2-3-4 tree and remove 70 and 25 from tree. then the level order

of the 2-3-4 tree

a. 10,15,30,35,45,50,55,65,75,85,95

b. 45,15,55,75,30,10,35,65,50,85,95

c. 45,15,55,30,35,10,50,65,75,85,95

d. 45,15,55,75,10,30,35,50,65,85,95