The distributive property is when you use the number on the outside of the parentheses to multiply the numbers on the inside of parentheses. This is usually used when the option is given and there is a variable inside.
Now onto the question, 4(x + 5)
We can actually break this down into parts so it’s not just one thing.
(4)(x) + (4)(5) would be the broken down form.
Thus, the answer to your question is:
D. 4(x + 5) = (4)(x) + (4)(5)