Answer:
D.

Explanation:
48 divided by 2 is 24. Insert the 2.
24 divided by 2 is 12. Insert the 2.
12 divided by 2 is 6. Insert the 2.
6 divided by 2 is 3. Insert the 2 and 3:

175 divided by 5 is 35. Insert the 5.
35 divided by 5 is 7. Insert the 5 and 7:

:Done