PLEASE HELP FAST!!!!!
The writer is considering adding the sentence below immediately after sentence 3 to further develop the argument in the second paragraph.

According to extensive research, social connectedness appears to have a surprising influence on human physiology.

Should the writer add this sentence after sentence 3?
A. Yes, because it delineates a cause-effect relationship that introduces the examples that follow.
B. Yes, because it demonstrates the writer’s authority by showcasing the writer’s knowledge of the topic.
C. No, because it highlights the writer’s bias by presenting subjective enthusiasm alongside reported facts.