B is your answer, I believe
B.
The importance of money is highlighted when economizing is discussed.
The answer would be letter A - subordination.
<span>It is the act of placing in a lower rank or position. In relation to organizing an outline, proper subheadings should support the main idea of the plot or topic. This should show the relationship between the evidence and claims of the main subject.</span>
I don’t understand your question ......