Answer:
C. coordination, subordination, and discreteness.
Explanation:
These are all elements that Helen should take into account when preparing her outline for the speech. Coordination refers to the necessity of ensuring that at all points of the outline, statements have some relationship to each other. Subordination refers to the ranking of topics and ideas in order of importance. This will ensure that the main ideas are supported by the details. Finally, discreteness means that each argument should express a different idea from all others. Therefore, there should be no overlap or repetition.
