The significance of time, because time for the most part controls our lives
The answer is going to be the last option or option D. Revise the first draft to improve the paper.
You always want to revise to make sure that it has no grammatical errors and that the flow is good.
Hope this helps!
For example if adding 9 + 9 you would take whatever needed from the second number to fill the first number (In this case being one, to have 10 + 8) and replace the 0 with the second number (In this case being 18)