The answer is...B- consist of a connection between individuals or groups that interact.
Hoped i helped...
Urine output (UO) Serum K+ (potassium), serum crt (creatinine) and BUN (urea)
Have to use transitional words for your work to flow. In the beginning middle end. you don't want to seem as if it all goes together, you don't need evidence or commentary that doesn't make since. transition words are very needed to help your paper make since and flow all together.
The first one is A and D and the second one is D. Hope this helps!